Find an equation of variation if the following conditions exist.Suppose that y varies directly as z and y = 10 when z = 80.
A. y = 
z
B. y = 8z
C. y = -2z
D. y = - 
z
Answer: A
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Solve the problem.Suppose you purchase a car and you are going to finance $16,000 for 36 months at an APR of 5.1% compounded monthly. Find the monthly payments on the loan. Round your answer to the nearest cent.
A. $544.32 B. $368.47 C. $480.25 D. $449.57 E. $568.47
Find the median of the set of numbers.Number of phone calls made each day: 8, 8, 22, 10, 26, 45, 37, 32
A. 23.5 calls B. 26 calls C. 22 calls D. 24 calls
Expand the expression using the Binomial Theorem.(x + 7)5
A. x5 + 35x4 + 490x3 + 3430x2 + 12,005x + 16,807 B. x5 + 35x4 + 980x3 + 6860x2 + 12,005x + 7 C. x5 + 35x4 + 490x3 + 3430x2 + 12,005x + 7 D. x5 + 35x4 + 980x3 + 6860x2 + 12,005x + 16,807
Multiply.17(-6)
A. 119 B. -96 C. -102 D. -119