Solve the problem.If n(A) = 38, n(B) = 33, and n(A ? B) = 20, find n(A ? B).

A. 71
B. 91
C. 31
D. 51


Answer: D

Mathematics

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Solve the problem.The perimeter of a rectangle is six times the width. If the length were increased by 4 inches and the width by 7 inches, the perimeter would be 160 inches. What is the width?

A. 69 in. B. 46 in. C. 23 in. D. 138 in.

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Determine convergence or divergence of the alternating series.

A. Converges B. Diverges

Mathematics

Determine the number of triangles with the given parts.a = 15, b = 27, ? = 97°

A. 2 B. 1 C. 0 D. 3

Mathematics

Multiply.(0.01)(654.14)

A. 65.414 B. 654.14 C. 6541.4 D. 6.5414

Mathematics