Multiply the pair of monomials.

A. a27
B. a12
C. - a27
D. - a12


Answer: B

Mathematics

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Rationalize the denominator.110

A.
B.
C.
D.

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Solve the problem.S(x) = -x3 + 6x2 + 288x + 4000, 4 ? x ? 20 is an approximation of the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon.

A. 20°C B. 12°C C. 4°C D. 8°C

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Solve the problem.The distance it takes to stop a car varies directly as as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of  per hour?

A. 223.26 ft B. 260.81 ft C. 272.77 ft D. 260.47 ft

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