Solve the problem.Each cycle of a screen saver program generates and then erases numbers of little animated figures called froobies. The formula 
models the population, P, of froobies after x minutes within a cycle. How many minutes into a cycle will the froobie population first reach 163?
A. 10 minutes
B. 9 minutes
C. 20 minutes
D. 12 minutes
Answer: A
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Solve the problem.The following table shows the rate of water flow (in gal/min) from a stream into a pond during a 30-minute period after a thunderstorm. Use Simpson's Rule to estimate the total amount of water flowing into the pond during this period. Round your answer to the nearest gallon.
A. 7,733 gal B. 8,850 gal C. 7,050 gal D. 7,725 gal
Solve. Remember to insert units when writing your answer.In November, 10 tons 1037 lb of coal were delivered to a steel mill. In December, 6 tons 1715 lb were delivered. Find the total amount of coal delivered in these two months.
A. 16 tons 752 lb B. 17 tons 752 lb C. 3 tons 1322 lb D. 4 tons 1322 lb
Simplify the radical.
A. |x + 2| B. x + 2 C. -x - 2 D. -|x + 2|
Find the value of the exponential expression.
3
A. 3
B. 
C. 
D. 