Find the quotient and the remainder.12x8 - 20x5 divided by 4x
A. 3x9 - 5x6; remainder 0
B. 3x7 - 5x4; remainder 0
C. 12x7 - 20x4; remainder 0
D. 3x8 - 5x5; remainder 0
Answer: B
Mathematics
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Express as a product of prime factors.700
A. 24 ? 7 B. 22 ? 52 ? 7 C. 54 ? 7 D. 23 ? 52 ? 7
Mathematics
Solve the problem.The amount of alcohol in the bloodstream, A, declines at a rate proportional to the amount, that is, 
. If 
for a particular person, how long will it take for his alcohol concentration to decrease from 0.10% to 0.05%? Give your answer to the nearest tenth of an hour.
A. 0.2 hr B. 3.5 hr C. 4.6 hr D. 2.3 hr
Mathematics
Simplify.
A. 256a
B. 4a
C. 4
D. 4a2
Mathematics
Find the derivative.y = x + ?6
A. 1 + 6?5 B. x + 6?5 C. 1 D. 1 + 6?7
Mathematics