Solve the problem.David's net pay for a week at the video store was $85.12. If he worked 19 hours that week, what was his net pay rate?
A. $4.54/hour
B. $4.29/hour
C. $4.48/hour
D. $4.73/hour
Answer: C
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Multiply the polynomials.(6x - 1)(36x2 + 6x + 1)
A. 36x3 - 1 B. 216x3 - 1 C. 216x3 + 42x2 - 1 D. 216x3 + 1
Solve the problem.The rate of change in the number of bacteria (in thousands) in a culture after the introduction of a bactericide is 
where y is the number of bacteria (in thousands) at time t. How many bacteria are present at 
if the initial population was 1,000,000 thousand? (Round results to the nearest thousand bacteria.)
A. 59,868 × 106 thousand bacteria B. 17 thousand bacteria C. 117 thousand bacteria D. 83 thousand bacteria
Translate the sentence to an equation then solve.A number k divided by 8.8 is the same as 2.
A. 2 = 8.8k, k = -6.8
B. 2 = 8.8k, k = 
C. 
= 2, k = 17.6
D. 
= 2, k = 
Use the direct variation model to find each of the following.Suppose m varies directly as n.(a) Find an equation that relates m and n if it is known that m = 35 when n = 5(b) Use this equation to determine m if n is 9.
A. (a) m = 7n (b) m = 49 B. (a) m = 5n (b) m = 25 C. (a) m = 9n (b) m = 81 D. (a) m = 7n (b) m = 63