Solve the problem.Suppose that y is directly proportional to x and that y = 3.5 when x = 7. Find the constant of proportionality k. Then use y = kx to find y when x = 10.
A. k = 24.5; y = 
B. k = 1.5; y = 4
C. k = 0.5; y = 5
D. k = 0.5; y = 4
Answer: C
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Add. Write the answer in lowest terms.
+ 
A. 
B. 2
C. 
D. 
Write as logarithmic equations.4-2 = 
A. log4 
= -2
B. log-2 
= 4
C. log1/16 4 = -2
D. log4 -2 = 
Provide an appropriate response.The amount of a loan is:
A. installment price - payments + purchases B. installment price - interest - down payment C. the installment price + interest - down payment D. installment price - interest + down payment
A company manufactures two products, A and B. If x is the number of thousands of units of A and y is the number of thousands of units of B, then the cost and revenue in thousands of dollars are
?
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Find the number of each type of product that should be manufactured to maximize profit.
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A. 3,000 units of product A48,000 units of product B B. 6,000 units of product A24,000 units of product B C. 12,000 units of product A12,000 units of product B D. 3,000 units of product A12,000 units of product B E. 12,000 units of product A48,000 units of product B