Answer:
it is dot 3
Step-by-step explanation:
A significance test about a proportion is conducted using a significance level of 0.05. The sample statistic is 0.12. The p-value is 0.03? a) If H0 were true, for what probability of a Type I error was the test designed?
b) What conclusion (reject or fail to reject) would you make for this test?
c) If this test resulted in a decision error, what type of error was it?
Answer: 28282
Step-by-step explanation:
I think
\(\sf \sqrt{4}\times \sqrt{4}\)
Answer:
4
Step-by-step explanation:
\(\sqrt{4} *\sqrt{4}\\=2*2\\=4\)
Answer:
4
Step-by-step explanation:
√4 × √4 = 2 × 2 = 4
How does the degree of the sum or difference of two polynomial functions compare with the degree of the individual functions? [C1]
The degree of the sum or difference of two polynomial functions is equal to the maximum degree among the individual functions.
When adding or subtracting polynomial functions, the degree of the resulting polynomial function is determined by the highest degree term in the sum or difference.
Consider two polynomial functions f(x) and g(x) with degrees n and m, respectively. The general form of these functions can be written as:
f(x) = aₙxⁿ + aₙ₋₁xⁿ⁻¹ + ... + a₁x + a₀
g(x) = bₘxᵐ + bₘ₋₁xᵐ⁻¹ + ... + b₁x + b₀
When we add or subtract these functions, the resulting polynomial function (f + g)(x) or (f - g)(x) will have terms of the form (aₖ + bₖ)xᵏ, where k is the degree of the resulting polynomial.
Since each term in (f + g)(x) or (f - g)(x) is the sum or difference of terms from f(x) and g(x), the highest degree term will be obtained when the terms with the highest degrees in f(x) and g(x) are combined.
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PLZ HELP WILL MARK BRANLIEST (No dum answers or I will delete your question - seriously don't be annoying)
Use the (x,y) coordinates in the figure to find the value of tan (2(pi)/3) or state that the expression is undefined.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
Answer:
A. tan(2π/3) = \(-\sqrt{3}\)
find the image of the set s under the given transformation. the set s is the square bounded by the lines u = 0, u = 1, v = 0, and v = 1. the transformation is given by x = v, y = u(1 v 2 )
The image of the square S under the given transformation is a parallelogram in the (x, y) plane, defined by the points (0, 0), (1, 0), (0, 1), and (1, 1).
To find the image of the set S under the given transformation, we substitute the coordinates of the points in S into the transformation equations. The set S is a square bounded by the lines u = 0, u = 1, v = 0, and v = 1.
Let's consider the four corners of the square:
Corner 1: (u, v) = (0, 0)
Corner 2: (u, v) = (0, 1)
Corner 3: (u, v) = (1, 0)
Corner 4: (u, v) = (1, 1)
For each corner, we apply the transformation:
Corner 1: (x, y) = (v, u(1 - v^2)) = (0, 0)
Corner 2: (x, y) = (v, u(1 - v^2)) = (1, 0)
Corner 3: (x, y) = (v, u(1 - v^2)) = (0, 1)
Corner 4: (x, y) = (v, u(1 - v^2)) = (1, 1)
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A team of 10 volunteers is visiting families in a local community to deliver canned goods. It takes one volunteer 24 hours to complete one visit. What is the capacity of the team over the course of an 8-hour workday?
1/3 of the volunteers can complete the 8-hour workday
How to determine the capacity of the team
Total number of volunteers = 10
If it takes 1 volunteer = 24 hours = 1 day
It would take x number of volunteers = 8 hours
To find 'x' , cross multiply
We have,
x * 24 hours = 8 hours * 1
24x = 8
Make 'x' the subject of formula
x = 8/ 24
x = 1/3
Therefore, 1/3 of the volunteers can complete the 8-hour workday
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the teacher could best help the students understand that the triangle is equivalent to half a square by
The teacher can use a combination of these methods to help the students understand that a triangle is equivalent to half a square.
In order to help the students understand that the triangle is equivalent to half a square, the teacher can adopt different methods, including the following:
1. Drawing diagrams of the triangle and the square to show the comparison. The teacher can draw diagrams of a triangle and a square on the board and label the different parts.
They can then show the students that a triangle can be created by halving the square diagonally. This way, the students will be able to visualize the comparison and understand it better.
2. Demonstrating the concept practically. The teacher can also demonstrate the concept by using physical objects such as paper or cardboard.
They can show the students how to create a triangle by folding a square diagonally and cutting it along the fold. This way, the students will be able to see the practical application of the concept.
3. Using real-world examples. The teacher can also use real-world examples to help the students understand the concept better.
For example, they can show the students pictures of tents or rooftops that are shaped like triangles and explain how they are related to squares.
4. Conducting group discussions. The teacher can conduct group discussions where the students can share their understanding of the concept and ask questions.
This way, the students will be able to learn from each other and clarify any doubts they may have.
Overall, the teacher can use a combination of these methods to help the students understand that a triangle is equivalent to half a square.
The key is to use different approaches that cater to different learning styles and to encourage the students to participate actively in the learning process.
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Let theta be an acute angle of a right triangle. Find the values of the other five trigonometric functions of theta.
The exact values of the remaining trigonometric functions are listed below:
Case 3: cos θ = 3 / 5, tan θ = 4 / 3, cot θ = 3 / 4, sec θ = 5 / 3, csc θ = 5 / 4
Case 4: sin θ = √11 / 6, tan θ = √11 / 5, cot θ = 5√11 / 5, sec θ = 6 / 5, csc θ = 6√11 / 11
Case 5: cos θ = 8√73 / 73, sin θ = 3√73 / 73, tan θ = 3 / 8, cot θ = 8 / 3, csc θ = √73 / 3
Case 6: sin θ = 1 / 2, cos θ = √3 / 2, tan θ = √3 / 3, sec θ = 2√3 / 3, csc θ = 2
How to find the exact values of trigonometric functions
In this problem we find four cases of trigonometric functions, whose exact values of remaining trigonometric functions must be found. The trigonometric functions are defined below:
sin θ = y / √(x² + y²)
cos θ = x / √(x² + y²)
tan θ = y / x
cot θ = x / y
sec θ = √(x² + y²) / x
csc θ = √(x² + y²) / y
Now we proceed to determine the exact values of the trigonometric functions:
Case 3: y = 4, √(x² + y²) = 5
x = √(5² - 4²)
x = 3
cos θ = 3 / 5
tan θ = 4 / 3
cot θ = 3 / 4
sec θ = 5 / 3
csc θ = 5 / 4
Case 4: x = 5, √(x² + y²) = 6
y = √(6² - 5²)
y = √11
sin θ = √11 / 6
tan θ = √11 / 5
cot θ = 5√11 / 5
sec θ = 6 / 5
csc θ = 6√11 / 11
Case 5: x = 8, √(x² + y²) = √73
y = √(73 - 8²)
y = 3
cos θ = 8√73 / 73
sin θ = 3√73 / 73
tan θ = 3 / 8
cot θ = 8 / 3
csc θ = √73 / 3
Case 6: x = √3, y = 1
sin θ = 1 / 2
cos θ = √3 / 2
tan θ = √3 / 3
sec θ = 2√3 / 3
csc θ = 2
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A shoemaker sold a pair of for $245.99 if the buyer a $300.00 bill, how much will the buyer receive in change?
*two decimal places don't forget your $ sign. Example: $50.00 NOT 50*
Answer:
$54.01
Step-by-step explanation:
All you have to do is $300.00-$245.99 .
You bought a share of 3 percent preferred stock for $97.06 last year. The market price for your stock is now $99.06. What was your total return for last year
The total return on the 3 percent preferred stock for last year is $2.00.
To calculate the total return on the preferred stock, we need to consider two components: capital appreciation and dividends received.
The capital appreciation represents the increase in the stock's price over time. In this case, the stock was purchased for $97.06 and its current market price is $99.06. To calculate the capital appreciation, we subtract the initial purchase price from the current market price:
Capital Appreciation = Current Market Price - Purchase Price
= $99.06 - $97.06
= $2.00
Therefore, the capital appreciation of the stock is $2.00.
Preferred stocks typically pay fixed dividends at regular intervals. Since the question does not provide any information about dividends received, we assume that no dividends were paid during the last year. Hence, the dividend component of the total return is zero.
To calculate the total return, we sum up the capital appreciation and dividend components:
Total Return = Capital Appreciation + Dividends
= $2.00 + $0.00
= $2.00
Therefore, the total return for the last year on the 3 percent preferred stock is $2.00.
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What is the value of z in the image.
13 is the value of z from the given figure.
What are the properties of Triangle?The properties of the triangle are:
The sum of all the angles of a triangle (of all types) is equal to 180°. The sum of the length of the two sides of a triangle is greater than the length of the third side. In the same way, the difference between the two sides of a triangle is less than the length of the third side.From the given figure,
∠ABE + ∠EBC =. 180
∠EBC = 180- ∠ABE
∠EBC = 180 - 9z -----(1)
∠ECB + 115 = 180
∠ECB = 65-----(2)
IN ∆EBC
∠BEC + ∠ECB + ∠EBC = 180
4Z + 180- 9Z + 65 = 180 ---------(from eq i & ii)
-5Z = -65
Z = -65/-5y
Z = 13
The value of z from the given figure is 13.
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Complete question:
The graph shows the linear parent function . Which statement best describes the function?
A. The function is negative when x<0 and also when x>0
B.the function is never negative
C.the function is negative when x>0
D. The function is negative when x<0
Using function concepts, it is found that the correct option is given by:
D. The function is negative when x<0
How the sign of a function is determined?If the graph is above the x-axis, it is positive.If the graph is below the x-axis, it is negative.In this problem, the graph of the function is the red line, and:
For values of x < 0, the function is below the x-axis, hence it is negative.For values of x > 0, the function is above the x-axis, hence it is positive.Thus, option D is correct.
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Which expression is equivalent to StartFraction 1 Over 1 minus 2 sine squared (x) EndFraction?
StartFraction 1 Over cosine (2 x) EndFraction
StartFraction 1 Over sine (2 x) EndFraction
Cosine (2 x)
Sine (2 x)
Answer:
A. 1/cos(2x)
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
on edge
Samuel's family took a road trip to Mount Rushmore. Samuel fell asleep after they had travelled 990 miles. If the total length of the trip was 1000 miles, what percentage of the total trip had they travelled when Samuel fell asleep?
Samuel's family took a road trip to Mount Rushmore. Samuel fell asleep after they had traveled 990 miles. If the total length of the trip was 1000 miles, then 99% of the total trip they had completed together and only 10 miles Samuel fell asleep.
We can use the following formula to calculate the percentage of the overall trip that Samuel had completed when he fell asleep:
(Part/Whole) * 100 = Percentage
In this instance, the portion is the distance traveled when Samuel fell asleep, which is 990 miles, and the total trip length is 1000 miles. Substituting the values in the formula Percentage equals (990/1000) multiplied by 100 = 99%
As a result, when Samuel fell asleep, the family had completed 99% of the entire journey. This meant that they were almost there, with only 10 miles remaining.
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You would like to give your daughter $50,000 towards her college education 15 years from now. How much money must you set aside today for this purpose if you can earn 9 percent on your investments?
To give your daughter $50,000 towards her college education in 15 years, you must set aside approximately $14,803.42 today.
To calculate the amount of money you need to set aside today, we can use the concept of future value of a lump sum. The future value is the amount of money an investment will grow to in the future, given a certain interest rate and time period.
In this case, we want to determine the present value (the amount you need to set aside today) to achieve a future value of $50,000 in 15 years, assuming an annual interest rate of 9 percent. The formula to calculate present value is:
Present Value = \(Future Value / (1 + Interest Rate)^T^i^m^e\)
Plugging in the values, we have:
Present Value = \($50,000 / (1 + 0.09)^1^5\)
Present Value ≈ $14,803.42
Therefore, you would need to set aside approximately $14,803.42 today in order to accumulate $50,000 for your daughter's college education in 15 years, assuming an annual interest rate of 9 percent.
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What are the equations of the asymptotes for the function?
f(x)=−3x/−1 −1
vertical asymptote: x=
horizontal asymptote: y=
Answer:
Vertical asymptote x= 1
Horizontal asymptote y= -1
Step-by-step explanation:
Answer:
no asymptotes
Step-by-step explanation:
since y=-3x-1-1 is not a ratinal expression there are no asymptotes.
Helpp me with my sister's math
Answer:
the 1/2w +22 one is a binomial
Step-by-step explanation:
a binomial is a equation with one two separate numbers AFTER simplifcation. so "1+1" is not a binomial because its equal to just 2, but "1 + x" is a binomial because its simplifed
4. PART 1 Locate the co-ordinates of the turning point for the following function and determine whether it is a maxima or minima by examining the sign of the slope either side of the turning point. y = 3x² - 5x PART 2 Find the maxima and minima values for the function. y = x³ - 4x + 6
Part 1 The turning point for the function y = 3x² - 5x is (5/6, -1/12). The given function is y = 3x² - 5x. the maxima and minima values for the function y = x³ - 4x + 6 are 5.0796 and 8.9204 respectively.
Now we need to locate the co-ordinates of the turning point and determine whether it is a maxima or minima by examining the sign of the slope either side of the turning point. We need to take the derivative of the given function
y = 3x² - 5x using power rule of derivative.
dy/dx = 6x - 5
Now to find the critical point we equate the above derivative equation to zero.
6x - 5 = 0 (or) x = 5/6
Now let us examine the sign of the slope on either side of x = 5/6
When x < 5/6 , dy/dx < 0.
which implies that the slope of the curve is negative to the left of x = 5/6
When x > 5/6 , dy/dx > 0.
which implies that the slope of the curve is positive to the right of
x = 5/6.
Hence, we can conclude that the turning point for the function
y = 3x² - 5x is (5/6, -1/12).
Since the sign of the slope changes from negative to positive, we can infer that it is a minimum point.
Part 2The given function is
y = x³ - 4x + 6.
Now we need to find the maxima and minima values for the function.
First, we need to take the derivative of the given function
y = x³ - 4x + 6 using power rule of derivative.
dy/dx = 3x² - 4
Now to find the critical points we equate the above derivative equation to zero.
3x² - 4 = 0 (or)
x = ±sqrt(4/3)
When x = -sqrt(4/3).
dy/dx is negative which implies that it is a maxima.
When x = +sqrt(4/3),
dy/dx is positive which implies that it is a minima.
Now we need to substitute these critical points in the original function to get the maxima and minima values for the function.
When x = -sqrt(4/3),
y = (-sqrt(4/3))³ - 4(-sqrt(4/3)) + 6
= 5.0796 (approx)
When x = +sqrt(4/3),
y = (+sqrt(4/3))³ - 4(+sqrt(4/3)) + 6
= 8.9204 (approx).
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answer correctly for brainliest
Answer:
x=3
Step-by-step explanation:
When you substitute x = 3 to both equations, you get y = -4 for both so that is a solution
The wavelength of x rays are between 1 and 10 nanometers if a nanometer is equal to a billionth of a meter express the greatest wavelength of an x ray in meters write the expression using a negative exponer
Step-by-step explanation:
The wavelength of x rays are between 1 and 10 nanometers.
1 nm = 10⁻⁹ m
The greatest wavelength is 10 nm.
10 nm = 10 × 10⁻⁹ m
= 10⁻⁸ m
Here, (-8) is the exponent of 10.
Hence, the wavelength of the greatest wavelength of x-ray is 10⁻⁸ m.
Select each correct answer
A set of transformations that have been performed on the graph of f(x) = ∛x to obtain the graph of g(x) = 1/4(∛(x + 3) + 6 include the following:
A. Translate the graph up
B. Stretch the graph away from x-axis
E. Translate the graph to the left
What is a translation?In Mathematics, the translation a geometric figure or graph upward simply means adding a digit to the value on the y-coordinate of the pre-image or function.
In Mathematics, a horizontal translation to the left is modeled by this mathematical expression g(x) = f(x + N) while a vertical translation to the positive y-direction (upward) is modeled by this mathematical expression g(x) = f(x) + N.
Where:
N represents an integer.g(x) and f(x) represent a function.In conclusion, we can logically deduce that the graph of the parent function was stretched away from x-axis.
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Omar measured a summer camp and made a scale drawing. In real life, the sand volleyball court is 9 meters wide. It is 12 centimeters wide in the drawing. What scale did Omar use for the drawing?
Step-by-step explanation:
9 metres = 900cm
Scale = Object length :image length
= 900:12
= 75:1
This means that every 75cm length of the court is represented by 1cm on the drawing paper.
This recipe makes 20 cupcakes. Deepak only wants to make 15 cupcakes. How much of each ingredient does he need? Recipe: Makes 20 cupcakes 10 ounces butter 12 ounces sugar 8 ounces flour 4 eggs
Answer:
9.6 ounces of butter, 8 ounces of sugar, 12 ounces of flour, 4 eggs
Explanation: 20 / 16 = 4/5. 16 is four-fifths of 20. So multiply 4/5 with everything.
12 * 4/5 = 9.6 ounces
10 * 4/5 = 8 ounces
15 * 4/5 = 12 ounces
5 * 4/5 = 4 eggs
What is the rule of SAS criteria?
We have defined the criteria for SAS congruency of triangles.
What is SAS?
The SAS theorem states that "Triangles are congruent if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle."
According to the SAS criteria for triangle similarity, two sides of one triangle are similar to two sides of another triangle if their included angles are congruent.
Hence, we have defined the criteria for SAS congruency of triangles.
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I am going to try, if I find the answer, then I will say I found it.
Answer:
F. p \(\leq\) -4/3
Step-by-step explanation:
3p + 6 \(\leq\) 2
Subtract 6 from both sides.
3p \(\leq\) -4
Divide by 3 on both sides.
p \(\leq\) -4/3
Step-by-step explanation:
3 p + 6 <= 2 subtract 6 from both sides of the equation
3 p <= -4 divide through by 3
p ≤ - 4/3 Done.
a cone with volume 5000 m³ is dilated by a scale factor of 15. what is the volume of the resulting cone? enter your answer in the box.
When a cone with a volume of 5000 m³ is dilated by a scale factor of 15, the volume of the resulting cone is 3375000 m³.
The volume of a cone is given by the formula V = (1/3)πr²h, where r is the radius of the base and h is the height. Since the scale factor of 15 applies to all dimensions of the cone, the new radius and height will be 15 times the original values. Let's assume the original cone has radius r and height h.
After dilation, the new cone will have a radius of 15r and a height of 15h. Plugging these values into the volume formula, we get
V' = (1/3)π(15r)²(15h) = (1/3)π(15²)(r²)(h) = 3375V.
Given that the original cone has a volume of 5000 m³, we can calculate the volume of the resulting cone by multiplying 5000 by 3375:
V' = 5000× 3375 = 3375000 m³.
Therefore, the volume of the resulting cone, after being dilated by a scale factor of 15, is 3375000 m³.
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Two similar pyramids have base areas of 12.2 cm2 and 16 cm2. the surface area of the larger pyramid is 56 cm2. what is the surface area of the smaller pyramid? 40.1 cm2 42.7 cm2 52.2 cm2 59.8 cm2 a triangular prism has an equilateral base with each side of the triangle measuring 8.4 centimeters. the height of the prism is 10.2 centimeters. which triangular prism is similar to the described prism?
To find the surface area of the smaller pyramid, we can use the concept of similarity. The ratio of the base areas of the two pyramids is equal to the square of the ratio of their heights.
Let's call the height of the larger pyramid h1 and the height of the smaller pyramid h2. The ratio of their heights is h1/h2 = √(base area of larger pyramid/base area of smaller pyramid) = \(√(16 cm^2/12.2 cm^2).\)
Given that the surface area of the larger pyramid is 56 cm^2, we can find the surface area of the smaller pyramid by using the formula: surface area of smaller pyramid = (base area of smaller pyramid) * (height of smaller pyramid + (base perimeter of smaller pyramid * (h1/h2)) / 2.
Plugging in the values, we get: surface area of smaller pyramid =\(12.2 cm^2 * (h2 + (4 * h1/h2)) / 2.\)
We can simplify this equation to: surface area of smaller pyramid = \(12.2 cm^2 * (h2 + 2h1/h2).\)
To find the surface area of the smaller pyramid, we need to substitute the value of h1 and the given surface area of the larger pyramid into this equation. Unfortunately, the information given does not include the height of the larger pyramid. Therefore, we cannot determine the surface area of the smaller pyramid.
Regarding the second part of your question, without any information about the dimensions or properties of the other triangular prisms, it is impossible to determine which prism is similar to the described prism.
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The correct answer is the first Option i.e., 40.1 cm². The surface area of the smaller pyramid is approximately 40.1 cm². The surface area of a pyramid is found by adding the area of the base to the sum of the areas of the lateral faces. Since the two pyramids are similar, the ratio of their surface areas will be the square of the ratio of their corresponding side lengths.
Let's find the ratio of the side lengths first. The ratio of the base areas is given as 12.2 cm² : 16 cm². To find the ratio of the side lengths, we take the square root of this ratio.
\(\sqrt {\frac{12.2}{16} } = \sqrt {0.7625} \approx 0.873\)
Now, we can find the surface area of the smaller pyramid using the ratio of the side lengths. We know the surface area of the larger pyramid is 56 cm², so we can set up the equation:
(0.873)² × surface area of the smaller pyramid = 56 cm²
Solving for the surface area of the smaller pyramid:
(0.873)² × surface area of the smaller pyramid = 56 cm²
=> Surface area of the smaller pyramid = 56 cm² / (0.873)²
Calculating this value:
Surface area of the smaller pyramid ≈ 40.1 cm²
Therefore, the surface area of the smaller pyramid is approximately 40.1 cm².
In conclusion, the surface area of the smaller pyramid is approximately 40.1 cm².
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What is the volume, in cubic inches, of a rectangular prism with a height of 6 inches, a width of 18 inches, and a length of 10 inches?
the volume of the rectangular prism is 1,080 cubic inches.
Why is it?
The volume V of a rectangular prism is given by the formula:
V = length x width x height
Substituting the given values, we get:
V = 10 inches x 18 inches x 6 inches
Simplifying, we get:
V = 1,080 cubic inches
Therefore, the volume of the rectangular prism is 1,080 cubic inches.
A rectangular prism is a three-dimensional solid shape that has six rectangular faces, where each pair of opposite faces are congruent and parallel to each other. It is also known as a rectangular parallelepiped.
A rectangular prism is characterized by its length, width, and height or depth. The length is the measurement of the longest side of the prism, the width is the measurement of the shorter side, and the height or depth is the measurement of the perpendicular distance between the two faces that are parallel to each other.
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PLEASE HELP! Which graph has an absolute max at x=2
Answer:
C)
Step-by-step explanation:
The highest point on the graph for c) is in the first quadrant (where x=2 would be).
If you had an equation, you would be able to find critical points on the function by setting the numerator and denominator equal of f'(x)=0 and solve. You'd have to evaluate f(x) at these critical points and end points to figure that out. This is, if you're in calculus and you would ever need assistance otherwise!
HELP PLEASE PLEASE!
18.) Savings: You have decided to put 12% of your weekly paycheck into a
savings account. You made $85.50 las week. How much did you put into
the savings account? *
$12.26
$8.55
$10.26
Other:
Answer:
$10.26
Step-by-step explanation:
....................
Answer:
712.5
Step-by-step explanation: