Decide if the situation is a permutation or a combination and then answer the question.A musician plans to perform 3 selections. In how many ways can she arrange the musical selections?
A. Permutation; 6
B. Permutation; 18
C. Combination; 9
D. Combination; 3
Answer: A
Mathematics
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Solve.Doris has a rectangular fish pond 7 by 10 feet. She wants to put grass in a strip of uniform width around the pond. She has enough grass seed for 138 square feet. How wide will the strip be?
A. 5.5 ft B. 4 ft C. 3 ft D. 5 ft
Mathematics
Find the derivative of the function.
?
What will be an ideal response?
Mathematics
Factor.x3 + 7x2 + 8x + 56
A. (x + 7x)(x2 + 8) B. (x - 7)(x3 + 8) C. (x + 7)(x2 + 8) D. (x + 7)(x2 - 8)
Mathematics
Solve the equation. If the solutions involve square roots, give both the exact solutions and the approximate solutions to three decimal places.6m2 + 10m + 2 = 0
A. 
? -0.232, 
? -1.434
B. 
? -1.066, 
? -2.268
C. 
? -0.116, 
? -0.717
D. 
? 0.180, 
? -1.847
Mathematics