in a study which aims to see which of three dietary supplements (vitax, vitay, or vitaz) works best to improve the memory of adults, the independent variable is: A. Memory TestB. Not EvidentC. Adult ClientsD. Dietary Supplement

Answers

Answer 1

The independent variable in the study is the "dietary supplement", specifically VitaX, VitaY, or VitaZ. Option D holds the truth.

This is because they are the factors being manipulated to determine their effects on memory improvement in adults.

The study aims to compare the effectiveness of the three different dietary supplements in enhancing memory function in adults. By varying the type of supplement given to participants, the researchers can determine whether one supplement is more effective than the others or if there are no significant differences in their effectiveness.

The memory test and adult clients are not the independent variables, as they are not being manipulated by the researchers and are instead being observed as dependent variables to measure the effects of the dietary supplements.

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Related Questions

  1-Qué es un golpe de Estado

Answers

Answer:

Un golpe de Estado (calco del francés coup d'État) es la toma del poder político de un modo repentino por parte de un grupo de poder de forma ilegal, violenta o a la fuerza, generalmente se realiza por militares o con apoyo de grupos armados.

Se distingue de los conceptos de revuelta, motín, rebelión, putsch (en alemán), revolución o guerra civil. Usualmente estos términos se utilizan con poca propiedad o con intenciones propagandísticas, y en el transcurso de los hechos y procesos históricos, se suelen combinar entre sí.

Explanation:

Which of the following statement is not true? a. Culture has no effect on personality development. b. Our behavior may vary in interactions with differing others. c.Personality changes over one's lifetime d. Thy Our behavior may vary over differing circstances.

Answers

The statement that is not true is, Culture has no effect on personality development.

The emergence of a person's personality is influenced by culture. Numerous elements, such as heredity, environment, and cultural norms, have an impact on personality.

Individuals' behaviour, attitudes, and identity formation are influenced by cultural values, beliefs, and practises, which in turn affect personality development.

Different socialisation practises, expectations, and conventions within each culture influence the emergence of personality traits and behavioural patterns. Therefore, it is false to claim that culture has no impact on how people form their personalities.

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which land formation is not the result of a convergent boundary?

Answers

A) The Hawaiian Islands are not a result of a convergent boundary

the best, indeed the only eyewitness description of what christianity was like right after jesus's death is St. Paul's letters scolding Corinth and other congregations he had founded

Answers

Overall, while St. Paul's letters are not the only eyewitness accounts of early Christianity, they do provide valuable insights into the challenges and diversity of these early communities.



The best and only eyewitness description of Christianity right after Jesus's death is debatable. St. Paul's letters certainly provide valuable insights into the early Christian communities he founded, but they are not the only accounts available. The Gospels of Matthew, Mark, Luke, and John also offer perspectives on Jesus's teachings and his followers' responses to his death and resurrection.
However, St. Paul's letters are particularly significant because they provide a glimpse into the challenges facing these early Christian communities. Paul's letters to the Corinthians, for example, scold the congregation for their division, immorality, and lack of love for one another. He reminds them of the importance of living a righteous life, and he encourages them to practice forgiveness and unity.
Through Paul's letters, we see how Christianity was not a unified movement from the beginning, but rather a collection of diverse communities with different beliefs, practices, and challenges. Despite this diversity, however, Paul emphasizes the centrality of Jesus's death and resurrection to the Christian faith.

Overall, while St. Paul's letters are not the only eyewitness accounts of early Christianity, they do provide valuable insights into the challenges and diversity of these early communities. And through Paul's emphasis on Jesus's death and resurrection, we see the foundational beliefs that continue to shape Christianity today.

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In the agriculture system of East Africa, what is the role of men?

A. cooking

B. farming

C. tending to livestock

D. taking goods to the market


Answers

C tending to livestock
C is the answer! Have a great day

What is likely to be the biggest obstacle to the delivery of cost-efficient care?
a. Government mandates for the delivery of certain types of care
b. Rationing of services by the government
c. Public's attitudes
d. Inadequacy of comparative effectiveness research

Answers

The inadequacy of comparative effectiveness research is likely to be the biggest obstacle to the delivery of cost-efficient care. Comparative effectiveness research is essential in determining which treatments and procedures are the most effective for specific conditions. The correct answer is D.

Without this research, healthcare providers may resort to expensive and unnecessary treatments that may not be beneficial to patients. In addition, the lack of comparative effectiveness research also hinders the development of evidence-based guidelines and protocols for treatment.

This leads to variability in care and can result in higher costs and lower quality of care. Therefore, the investment in comparative effectiveness research is crucial in improving the efficiency and quality of healthcare delivery.

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the secretary of _____ manages military u.s. affairs.

Answers

The secretary of Defense also know as OSD

The secretary of defense, a cabinet-level official who answers directly to the American president, is in charge of the Department of Defense.

What is secretary of Defense ?  

The executive branch department of the federal government known as the Department of Defense (DoD, USDOD or DOD) is in charge of directing and managing all departments, agencies, and activities that are directly related to national security and the US Armed Forces. With more than 1.34 million active-duty military members (soldiers, marines, sailors, airmen, and guardians) as of June 2022, the DoD is the largest employer in the world.

The Department of Defense employs roughly 2.87 million people in total, including over 778,000 members of the National Guard and Reserves and over 747,000 civilians. Just outside of Washington, D.C., in Arlington, Virginia, at the Pentagon,"The military forces needed to deter war and ensure our nation's security" is the stated purpose of the DoD.

The secretary of defense, a cabinet-level official who answers directly to the American president, is in charge of the Department of Defense.

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the demand that women should receive equal pay relative to men for work that is similarly demanding, involves similar responsibilities, and requires similar levels of education and training is the basis of the concept of

Answers

The idea of same value is rooted in the belief of women must be paid equally to men for job that is similarly difficult, entails similar roles, and needs comparable training and education levels.

What is the fundamental meaning of education?

Either imparting information to individuals and absorbing it from another person are acts of education. Education also covers every profession of education in general as well as the knowledge gained via formal education or teaching.

Why is education so crucial?

Nobody is able to completely remove from your life the foundation which education brings to your life. You boost your chances of finding good employment possibilities and widen your employment options because of being very well having an university degree.

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What are the 8 steps before a bill becomes a law

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The eight (8) steps before a bill becomes a law include all of the following:

A bill is introduced in Congress or the Senate.The Senate Majority refers the bill to the committee.Hearings are held on the bill by the standing committee.The standing committee votes on the bill.The bill is reported to the floor for debate.The full Senate votes and at least 44 senators must vote in favor of the bill.After the bill is resolved in the conference committee above, it goes to the president for signing.Else, the bill dies.

What is the Senate?

The Senate can be defined as a deliberative assembly or council of elected citizens found in the upper chamber or house of a bicameral legislature, and is saddled with the responsibility of enacting and passing federal laws and bills for the citizens, with the steps enumerated above.

Generally speaking, the first step of the legislation process for a law is an introduction of a bill to the Senate while the last step is the death of a bill, if it is not voted in favor by at least 44 senators.

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QUESTION 4
Which of the following might NOT be considered a migrational "push" factor (that is, a factor that might make some decide to migrate out from a place).
a) A strong economy including abundant jobs
b) Poverty
c) Warfare
d) Environmental degradation including severe air or water pollution

Answers

What might not be considered a migrational "push" factor is: a) A strong economy including abundant jobs.

What does migrational "push" factor means?

A push factor refers to the reason for migration that is related to the person's origin area which is something that is pushing them out of an area.

Limited job opportunities, political oppression, conflict, natural disasters, and corruption are all push factors in migration. Economic, political, cultural, or a combination of these factors drive migration.

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One principle that should inform the use of nudges is that opting out of the nudge should be very easy.T/F

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The given statement "One principle that should inform the use of nudges is that opting out of the nudge should be very easy." IS TRUE because Nudges are interventions that aim to affect people's behavior while protecting their freedom of choice.

Individuals must, however, have the opportunity to opt out of a nudge with minimal effort if they do not choose to pursue the recommended course of action. The accessibility of opting out is critical to preventing nudges from becoming a form of compulsion or manipulation.

Providing a simple opt-out mechanism allows people to make their own decisions, which is a core component of ethical nudging. As a result, while adopting nudges, it is crucial to consider the ease of opting out as a critical component in order to ensure that nudging is done responsibly and transparently.

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Socialism and communism are similar in that they both believe that please help
A. Social classes should not have existed
B. Wealth should be shared equally
C. Workers should control the government
D. Government should leave worker alone

Answers

Answer:

the answer is B. wealth should be shared equally.

an eclectic approach to psychotherapy is one that group of answer choices a) treats patients with drugs. b) emphasizes the importance of free association. c) involves treatment in a group setting. d) uses techniques from various forms of therapy

Answers

Eclectic psychotherapy is a type of psychotherapy in which the therapist uses several theoretical perspectives or procedures to meet the requirements of the patients.

What is Eclectic psychotherapy?

Eclectic psychotherapy is a type of psychotherapy in which the therapist uses several theoretical perspectives or procedures to meet the requirements of the patients. Numerous treatment modalities have been developed as independent practises throughout the history of clinical psychology. By employing various therapeutic modalities, eclectic psychotherapy seeks to circumvent the difficulty of selecting just one treatment. Therapists may have received training in a specific method or theoretical orientation, but they may later adopt a more eclectic approach by incorporating more methods into their background. Therapists may also receive eclectic training. Psychotherapists who are still in training are frequently exposed to a wide range of theories and practises.

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John Locke's Fundamental Constitution of Carolina included which of the following policies
mining for natural resources
religious tolerance
equal class system
formation of a monarchy

Answers

Answer:

religious tolerance

Explanation:

The answer is B Hope it helps :))

1. Examine power and its operation in the U.S. in the context of the government. As part of that explanation, analytically examine the development of influence demonstrated by corporations, and the ef

Answers

US power dynamics involve the government, corporations, and interest groups. Analysis of corporate influence on US development. Govt:

Corporate Influence: US corps hold power in politics and policies. "Influence facilitated by factors: " Corporations lobby with hired lobbyists to influence lawmakers. Lobbying shapes legislation via campaign contributions, grassroots campaigns, and direct communication with politicians.

What is power and its operation in the U.S.

"Corporations and the wealthy donate large sums to political campaigns." Corporate personnel and government positions interchanging.

Ex-corporate execs hold positions in regulatory agencies or advise policymakers. May lead to regulatory capture by industry interests. Corporate Influence on Government: Effects. Corporate influence can shape policies in favor of corporations instead of the public.

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.djjfbtjekzjxoensbs?

Answers

Answer:djjfbtjekzjxoensbs.

Explanation:djjfbtjekzjxoensbs?

According to the framers of the U. S. Constitution, the "heart and soul" of the government was the

Answers

Answer:

According to the framers of the U.S. Constitution, the "heart and soul" of the government was the: Legislative Branch. State Governments.

Explanation:

Which statement about the location of Japan in relation to the Korean Peninsula is correct? A. Japan lies to the north of the Korean Peninsula, the land masses separated by the Yellow Sea. B. Japan lies to the south of the Korean Peninsula, the land masses separated by the Yellow Sea. Japan lies to the east of the Korean Peninsula, the land masses separated by the Sea of Japan. D. Japan lies to the west of the Korean Peninsula, the land masses separated by the Sea of Japan.​

Answers

Answer: A

Explanation: A is the answer, but it might switch the letters around

Japan is situated in respect to the Korean Peninsula at The Yellow Sea divides the two land masses, with Japan to the north of the Korean Peninsula. Consequently, option (A) is the best choice.

What is the Korean Peninsula known for?

The Korean peninsula continues to be one of the most dramatic geopolitical spots in the globe, influencing regional security and peace while serving as a barometer for ties between powerful nations.

The North Korean regime's nuclear and ballistic missile programs continue to be a big concern, and China

which is North Korea's most important ally, has helped impose stringent sanctions in an effort to lessen the threat it poses. The regime in North Korean Peninsula seems to favor the status quo above the unpredictability that would inevitably accompany major change.

Research from Chatham House also explores the significance of other regional players, such as China, Japan, South Korea, and Australia, and looks at how European nations may reduce the likelihood of war by spending more money on establishing their own economic and security ties in the area.

Hence the correct option is (A).

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In one paragraph, choose one southern European
country and state two reasons why its economy has
struggled. Then explain whether you think that country's
economy can improve in the future.

Answers

italy's economy historically struggled due to poor unification between regions, with sicily and venetia, for example, having incredibly different economies that are minimally connected. furthermore, children would usually work the same jobs as their parents, leading to low social mobility and occupations of new jobs. in the future, italy's economy can improve with better unification and public education. cooperation between different industries across regions would be highly beneficial.

what is the difference between global knowledge and personal ideas. Why is it imortant give credit to others by citing their work

Answers

Answer:

Global knowledge is information that is widely accepted and been proven as the truth. It is information that may not necessarily have a source because it is common knowledge and not easily attributed to a certain source. Personal ideas are original to the author and may not be widely accepted. It is important to give credit to others by citing their work to acknowledge that this is not your own findings but rather someone else's. It is plagiarism to use someone else's work as your own without giving credit to their work.

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Which of the following statements best describes the media's role in the Watergate affair?Relentless investigations by journalists revealed various abuse of power by Nixon and led to his resignation.

Answers

Relentless investigations by media revealed various abuse of power by Nixon and led to his resignation.

The Watergate affair is a perfect example of the power of media. It was through investigative reporting that the Washington Post uncovered the full extent of the corruption in the Nixon White House.

This information was then disseminated to the public through various media outlets, sparking the public outrage and legal proceedings that followed. This serves as a reminder of how essential it is to have an active and vigilant media to keep the public informed and hold public officials accountable for their actions. Without it, history could have been much different.

------The given question is incomplete the complete question is:

"Which statement best describes the media's role in the Watergate affair?"------

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A hereditary ruler with little to no power

Answers

Constitutional monarch

Answer:

Constitutional monarch

Explanation:

Which obstacle is currently the most serious obstacle to the enforcement of clean water laws in china?

Answers

The most serious obstacle to the enforcement of clean water laws in China is the lack of stringent implementation and monitoring. This is mainly due to three factors: weak regulatory enforcement, insufficient funding, and local government corruption.

First, weak regulatory enforcement stems from the inadequate staffing and resources of the environmental protection agencies. These agencies struggle to keep up with the rapidly growing industrial sector, resulting in violations of clean water laws going unchecked.

Second, insufficient funding for environmental protection hinders the capacity of agencies to carry out their duties effectively. As a result, there is a lack of investment in necessary infrastructure, such as wastewater treatment plants and monitoring systems. This makes it difficult to detect and penalize industries that pollute water sources.

Lastly, local government corruption poses a significant challenge to clean water law enforcement. Many local officials prioritize economic growth over environmental protection, and may be more inclined to protect industries that contribute to the local economy, even if they violate clean water regulations. In some cases, officials may receive bribes from polluting industries to turn a blind eye to their activities.

In summary, the most serious obstacle to enforcing clean water laws in China is the lack of stringent implementation and monitoring due to weak regulatory enforcement, insufficient funding, and local government corruption. To address these issues, China needs to strengthen its environmental agencies, increase funding for environmental protection, and implement stricter measures to hold local officials accountable for enforcing clean water regulations.

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The ___blank___ were people of North Africa under Islamic rule after 709 CE.

Answers

Answer:

The moors/ muslims

Explanation:

The Muslims were people of North Africa under Islamic rule after 709 CE

Which push factors resulted in the arrival of the East Indians in Jamaica?​

Answers

Question: Which push factors resulted in the arrival of the East Indians in Jamaica?​

Answer: Following the abolition of slavery in the1830s, after failed attempts to source much-needed labour through bountied European immigration, the Jamaican Government turned to India and China. Indian labourers who had already proved successful in Mauritius, were therefore considered to be a good bet for survival in Jamaica.

Explanation: They were, however, paid less than the ex-slaves and therefore originally lodged at the bottom of the society. Ironically, under the terms of their caste system, which valued light skin over dark, they in turn looked down on the ex-slaves. Relations between the two groups did not therefore begin on the best of footings. The Indian Government took great interest in indentured labour. Recruiting depots were established in Calcutta and Madras and agents were paid significantly less, per recruit, than for a European labourer). The Government monitored recruitment, the terms and conditions of indentureship, and the guidelines for transport to Jamaica as well as eventual repatriation to India. Most Indians who signed onto indentureship did so with the hope of returning to their homelands with greater wealth and therefore better social positions. It even appointed a Protector of Immigrants in the country of indenture. Unfortunately, as the Protector was never an Indian national, he tended to be more interested in the welfare of the employers than the labourers ­ a sign that the programme would equal one of hardship for the labourers. In order to sign onto an indentureship Indians were to appear before a magistrate, hold a government permit and fully understand the conditions of the labour contract. However, the contract was often explained in English and thousands of labourers simply put their thumb marks on the required line, without any true understanding of what awaited them following their journey across the sea.

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How did the public morals lead to the decline of the roman empire?

Answers

The public morals lead to the decline of the roman empire  as a result of the decreasing safety, promiscuity, lavish overindulgent parties.

What was the impact of declining morals ?

The deterioration of Rome's morals and ideals is frequently seen as a key factor in the demise of the Roman Empire. Many historians point out that the last few decades of the Empire were particularly extreme in terms of moral decay and ideals, as evidenced by the increase in crime, prostitution, lavish parties, and violent outbursts.

The phrase "Roman Empire" refers to the era of Ancient Roman history and culture when authoritarian emperors ruled over Rome and its surrounding areas. At its height, the Roman Empire ruled over parts of West and South Europe (the Mediterranean region), Britain, Asia Minor, and North Africa, including Egypt.

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Children's Growing up & its obstacles

Answers

Challenges of Childhood

Lack of experience.Lack of knowledge.Lack of choice.Incorrect perceptions.Lack of logic.

Challenges of Childhood

Malnutrition

Bad friends

Lack of responsible Parenthood

Broken home

Peer group pressure

Emotional stress

Depression

Lack of home training

Academic challenges

Health issues

How old was Houston when he became governor of Tennessee

Answers

Answer:

34 years old

Explanation:

Houston won a second congressional term in 1825, and two years later became governor of Tennessee at the age of 34.

The framework of playmaking provided by the gods Group of answer choices Spontaneous Inspiration Imitation to Ritual Stepping Out Divine Gift

Answers

The theory that indicates that the birth of the theater comes from the gods is: divine gift.

What are the theories about the origin of the Theater?

There are numerous theories that try to explain the birth of the theater, Robert Edmund Jones pointed out that the birth of the theater was in a moment of spontaneous inspiration.

Joseph Campbell pointed out that it is based on the tendency of the human being to represent events that have previously occurred. Aristotle proposed that it could come from religious rituals, after which it went a step further to represent an audience.

Finally, the Indian playwright Bharata pointed out that the only possible explanation for theater is that it was a divine gift.

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Prior to being elected he said, "Read my lips, no new taxes!"
He was a Republican President from 1989-1993.
● He announced the beginning of the Persian Gulf War in 1991.

13. Which of the following presidents is being described above? *
Ronald Reagan
Bill Clinton
George H.W. Bush
George W. Bush

Answers

The president described above is George H.W. Bush. He served as the 41st President of the United States from 1989 to 1993.

During his presidential campaign in 1988, Bush famously made the promise, "Read my lips, no new taxes." This statement became a central part of his campaign and was intended to reassure voters that he would not raise taxes if elected.

However, once in office, President Bush faced economic challenges, including a growing budget deficit, and had to make compromises with the Democratic-controlled Congress. In 1990, he agreed to a bipartisan budget agreement that involved raising taxes.

This decision was met with significant criticism from his own party and became a prominent issue during his presidency. In addition, President George H.W. Bush announced the beginning of the Persian Gulf War in 1991. The war was a response to Iraq's invasion of Kuwait and aimed to liberate Kuwait from Iraqi occupation.

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Other Questions
5. Relationship marketing aims to build mutually satisfying long-term relationships with key stakeholders in order to earn and retain their business. Select one: True False 6. Marketers are increasingly adding dialogue channels such as email, blogs, and toll-free numbers to familiar monologue channels. Select one: True False Find the length of each missing side and each missing angle in the isosceles triangle below. if an and bn are both convergent series with positive terms, then anbn is convergent.T/F Mary is deciding whether to book the cheaper flight home from college after her final exams, but she's unsure when her last exam will be. She thinks there is only a %10 chance that the exam will be scheduled after the last day she can get a seat on the cheaper flight. If it is and she has to cancel the flight, she will lose $150. If she can take the cheaper flight, she will save $50. a) If she books the cheaper flight, what can she expect to gain, on average? b) What is the standard deviation? at a fixed operating setting, the pressure in a line downstream of a reciprocating compressos os known to maintain a mean value of 12.0 bar with a standard deviation of 1.0 bar based on its history. what is the probability that the line presure will exceed 13.0 bar during any measurement Which of the following rational algebraic equations is transformable to a quadratic equation? A. (m+2)/(2)-(m+2)/(7)=7 C. (2b-1)/(3)-(1)/(2)=(3b)/(4) B. (2)/(r)-(3)/(r+1)=7 D. (3)/(k-2)+(4)/(k+2)=(7)/ 1. How many ounces of pure salt must be added to 11oz of40% salt solution to produce a 75% solution? (Pure salt is 100%.)Round your answer to the nearest hundredth of an oz.oz. Container A has 1600 ml of water and is leaking 12 ml per minute.Container B has 2000 ml and is leaking 20 ml per minute.Let m represest the number of minutes the contains are leaking.How many minutes, m, will it take for the two containers to have the same amount of water A gaseous hydrocarbon contains 80% carbon and 20% hydrogen, 1dm3 of the compound at s.t.p weighs 1.35g find the molecular formular (1 mole of any gas at s.t.p occupies 22.4dm3, C=12, H=1) IS ANYONE ABLE TO HELP ME PLEASE ASAP Average Rate of Return Method, Net Present Value Mathod, and Analysis for a service company The capital investment committee of Arches Landscaping Company is considering two capital investments. The estimated income from operations and net cash flows from each investment are as follows Front-End Loader Greenhouse Income from Operations Year Net Cash Flow $149,000 Income from Operations Net Cash Flow $46,800 $90,000 2 46,800 149,000 75,000 3 46,500 149,000 37,000 4 46,800 149,000 16,000 46,800 149,000 8,000 Total $234,000 $745,000 $234,000 $745,000 Each project requires an investment of $520,000. Straight-line depreciation will be used, and no residual value is expected. The committee has selected a rate of 12% for purposes of the net present value analysis Present Value of $1 at Compound Interest Year 10% 12% 15% 20% 0.909 0.893 0.870 1 6% 0.943 0.890 0.840 2 0.833 0.826 0.797 0.756 0.694 0.75: 0.712 0.658 0.579 0.636 0.572 0.482 0.567 0.792 0.683 0,747 0.621 0.497 0.402 AME SLEEA PIZZ 0.330 3 4 5 $218,000 201,000 142,000 97,000 67,000 6 0.705 0.564 0.507 0.432 0.335 7 0.665 0.513 0.452 0.376 0.279 8 0,627 0.467 0.404 0.327 0.233 9 0,592 0.424 0.361 0.284 0.194 0.162 10 0.558 0.396 0.322 0.247 Required: 1a. Compute the average rate of return for each investment. If required, round your answer to one decimal place. Average Rate of Return Front-End Loader Greenhouse 1b. Compute the net present value for each investment. Use the present value of $1 table above. If required, use the minus sign to indicate a negative net present value Front-End Loader Greenhouse Present value of not cash flow Amount to be invested Net present value 2. Prepare a brief report for the capital investment committee, advising it on the relative merits of the two investments. The front-end loader has a net present value because the cash flows occur the would be the more attractive in time compared to the greenhouse. Thus, if only one of the two projects can be accepted, the technical term for the study of hair is called: Which of the following groups was at the bottom of Spartan society? A families owning land B. military soldiers C, helots (slaves) working in fields and homes D. foreigners entering Sparta GRADE 7 MATHEMATICS (QUARTER 2)SUBJECT TEACHER:GENERAL INSTRUCTIONSCORE:Read and analyze carefully the given questions.IL You may refer to your module pages 22 - 27.Directions: Choose the letter of the best answer and write in the space provided before the number,1. In the expression x2, 2 is what we callA BaseB. ExponentC. MultiplyD. Divide2. Find the product of (x) (**)A x?B. 22D. X3. What is the product if 2x is multiplied by 5x?A 10xB. 7x2C. 10xD. 3x4. Divide 32a9bc2 by 4a-0%A. 8a+b+c2B. 8ac2 C. 8a 0042D. Sa+bc5. Multiply 2x by 13xyA. 26xyB. 26x3y2C. 26xD. 26xy6. What is the product of 2x3 +3x2 + 4x and x + 1?A 2 + 2x + 3x2 + 4x B. 2X* + 5x + 7x2 + 4x C. 5x + 7x3 + 4x + 2x D. 7* *4x3 + 2x + 5x7. What polynomial is obtained if 27x*y* + 18x2y3 + 9x^y is divide by 3xy?A 9xy + 6x2y3 + 3y B. 9xy + 6x3y C 9xy + 18xy + 6xD. 9x+y + xy + 3x8. What expression will satisfy the given statement: (a + 3)(_) = a + 6a + 9A a-3B. -3-aC. a + 3D. -3 + a9. Find the product of (x-1) and (x + 1).A x + 1B. X?- 1c. x + x + 1D. X2 - x + 110. What will be the first term of the product of (2x - 1)?A 4x2B. 4xC. 1D. 2x11. Multiply (4y - 5d) (4y + 50)A. 16y2 + 2502B. 4y + 50 C. 16y2 - 25d2D. 4y - 5012. Evaluate ( x - 3)(x2 + 3x + 9)A. x2 - 81B. x - 27C. X + 9x + 27D. X - 9x + 2713. Solve (x-6)A. x2 + 12x - 36B. x2 + 36 C. X2 - 36D. x2 - 12x + 3614. What is the area of the square whose side is 2x + 5?A 4x2-20%-25 B. 4x2 - 20x + 25 C. 4x2 + 20x - 25D. 4x2 + 20x + 2515. Evaluate (x + 4)'A x + 12x2 + 48x + 64 B. X- 12x2 - 48x - 64 C. X - 12x2 + 48x - 64 D. x + 12x2 - 48x + 64GRADE 7 MATHEMATICSQUARTER 2 (WEEK 7-8)Directions: Choose the letter of the best answer and write in the space provided before the number. Despite widespread use of null hypothesis significance testing, explain two issues with this process and address why each issue is problematic Trevor bought a bicycle for R4199 and sells it for R5875 how much is his profit please answer number 3 what is the probability tho computer will select a point in the shaded region? Which of the following answers has the element in the correct order for decreasing ionization energy ?Ca, Ba, Be, SrSr, Ba, Ca, BeBa, Sr, Ca, BeBe, Ca, Sr, Ba in response to an input signal s(t) = 12 cos(600t), measured in volts, the input current was measured as i(t) = 3 cos(600t - 30) ma. determine the equivalent input impedance.