For a box, its height is 4 feet and its volume is 192 . If the length of the rectangular base is 2 feet more than the width of the base, find the width of the base.

A. 6 ft
B. 8 ft
C. 12 ft
D. 16 ft


Answer: A

Mathematics

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Factor completely. If the polynomial cannot be factored, write "prime."14x2 + 63x - 35

A. 7(2x + 1)(x - 5) B. 7(2x - 1)(x + 5) C. (14x - 7)(x + 5) D. (2x - 1)(7x + 35)

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Use the sum/difference identities to simplify the expression. Do not use a calculator.cos (-15°) cos 75° + sin (-15°) sin 75°

A.
B. -1
C. 0
D. 1

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Find the center and radius of the circle with the given equation. (x + 10)2 + y2 = 9

A. (-10, 0); r = 9 B. (0, -10); r = 9 C. (-10, 0); r = 3 D. (0, -10); r = 3

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P(?2 ? X ? 0); X is Normal (3, 2).

Find the probability for the given random variable.

Mathematics