Solve the problem.In a survey, people are asked to rank 8 issues such as the economy and the environment in order of importance. Replies are filed in folders, and two replies are put in the same folder if and only if they give the same ranking to all 8 issues. Find the maximum number of folders that might be needed.
A. 8
B. 64
C. 362,880
D. 40,320
Answer: D
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Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $1,748,000. Owner's equity at end of year: $2,122,000. Net income after taxes: $447,500.
A. 21.1% B. 25.6% C. 25.7% D. 23.1%
Rewrite the polynomial in descending order. Identify the leading term, the leading coefficient, and the degree of the polynomial.-x - 2x2 - 3x3 - 4x5 + 5
A. -4x5, -4, 4 B. 4x5, 4, 5 C. -x, -1, 1 D. -4x5, -4, 5
Suppose f and g are functions that are differentiable at x = 6 and that ?f?(5) = 1, ?f? '(5) = -1, ?g?(5) = -2, and g'?(5) = 5. Find the value of ?h? '(5).
?
What will be an ideal response?
Solve the problem.The length and width of a rectangular playlot have a sum of 82 yards. What dimensions would give the maximum area?
A. Length 31 yards and width 51 yards B. Length 32 yards and width 50 yards C. Length 40 yards and width 42 yards D. Length 41 yards and width 41 yards