Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.4 in.; d = 10.0 in.
B. w = 5.4 in.; d = 10.0 in.
C. w = 6.4 in.; d = 9.0 in.
D. w = 7.4 in.; d = 8.0 in.
Answer: C
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If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.2565/4
A. 65,536 B. 262,144 C. 16,384 D. 1024
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.60x2 + 35xy + 5y2
A. 5(3x - y)(4x - y) B. (15x + 5y)(4x + y) C. prime D. 5(3x + y)(4x + y)
Find the probability of the result using the normal curve approximation to the binomial distribution.The probability that a radish seed will germinate is 0.7. The gardener plants 140 seeds and she harvests 100 radishes.
A. .0750 B. .0669 C. .0688 D. .5711
Find the sum or difference, and write in lowest terms, if necessary.
+ 
A. 
B. 
C. 
D. 