Provide an appropriate response.Simplify the radical: 
A. 9a6b4
B. 7a
C. 7a6b4
D. 3a6b4
Answer: D
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Solve the problem.The stiffness of a rectangular beam is proportional to its width times the cube of its depth. Find the dimensions of the stiffest beam than can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5 in.; d = 10.3 in. B. w = 6.5 in.; d = 11.3 in. C. w = 7.5 in.; d = 12.3 in. D. w = 5.5 in.; d = 12.3 in.
Provide an appropriate response.To find the face value required by the coinsurance clause for full compensation is:
A. the amount of insurance carried divided by 80% B. 80% times the face value C. 80% times the replacement value D. 80% times the actual cost
At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:Between 15.2 and 16.1 seconds
A. 34% B. 68% C. 13.5% D. 50%
Write the equation of the axis of symmetry.f(x) = 2x2 - 16x + 27
A. x = -4 B. x = 5 C. x = 4 D. x = -5