Find the product.(-7y)(-7y2)

A. 49y3
B. 7y - 7y2
C. -14y2
D. -49y3


Answer: A

Mathematics

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State whether the following involves permutations or combinations. It is not necessary to solve the problem.How many different user ID's can be formed from the letters W, X, Y, Z if no repetition of letters is allowed?

A. Permutation B. Combination

Mathematics

Use the figure below to answer the following question(s). Edge BE will certainly be used in the cheapest-link tour

A. only if 1 < x < 2. B. only if x < 2. C. only if x < 1. D. only if 1 < x < 5. E. regardless of the value of x.

Mathematics

Solve the problem.The Wellspring Company's fleet of trucks get 16, 13, 17, 13, 16, 13, and 24 miles/gallon. What is the mean miles/gallon for the fleet? Round to the nearest whole number.

A. 15 miles/gallon B. 19 miles/gallon C. 16 miles/gallon D. 17 miles/gallon

Mathematics

Perform the operation and reduce to lowest terms. × 

A.
B.
C.
D.

Mathematics