Solve the problem.A small farm field is a square measuring 240 feet on a side. What is the perimeter of the field?
A. 960 ft
B. 1920 ft
C. 480 ft
D. 240 ft
Answer: A
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Find the center (h, k) and radius r of the circle with the given equation. x2 + y2 - 12x - 8y = -3
A. (h, k) = (-4, -6); r = 49 B. (h, k) = (-6, -4); r = 49 C. (h, k) = (6, 4); r = 7 D. (h, k) = (4, 6); r = 7
A business purchasing an item for business purposes may use straight-line depreciation to obtain a tax deduction. The formula for the present value, P, after t years is given below, where C is the cost and s is the scrap value after L years. The number L is called the useful life of the item.
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If a certain piece of equipment costs $4,100 and has a scrap value of $1,700 after 5 years, write an equation to represent the present value after t years.
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A. 
B. 
C. 
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Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.
Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 20 months B. 10 months C. 8 months D. 12 months
Provide the proper response.If f(x) ? 0 on the interval [a,b], then 
representsi) the area to the right of the y-axis between y = a and y = b.ii) the area above the x-axis between x = a and x = b.iii) the area below the x-axis between x = a and x = b.
A. Only ii is correct. B. Only i is correct. C. Both ii and iii could be correct. D. None of the above