Solve.log2(8)-1 = x + 7

A. -10
B. 4
C. 10
D. -9

Answer: A

Mathematics

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Construct a stem and leaf display for given data.Mr. Johnson wants to display his employees' ages in a graph. Below are their ages.

A.

B.

C.

D.

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Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = -i + 4j,  w = 2i - 3j

A. 160.3° B. 63.4° C. 70.3° D. 0.9°

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Solve the system.

A. {(6, 5), (5, 6)} B. {(-6, -5), (-5, -6)} C. {(-6, 5), (-5, 6)} D. {(6, -5), (5, -6)}

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Factor completely. If the polynomial cannot be factored, say it is prime.3x3 + 6x2 - 24x

A. 3x(x - 2)(x + 4) B. (x - 2)(3x2 + 12) C. 3x(x + 2)(x - 4) D. (3x2 + 6x)(x - 4)

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