Find any numbers for which the rational expression is undefined.
A. x = -16
B. x = 0, x = - 
C. x = -4
D. none
Answer: D
Mathematics
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Use the laws of exponents to simplify. Do not use negative exponents in your answer.22 ? 24
A. 48 B. 46 C. 26 D. 28
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Solve the problem.A pendulum swings though an angle of 20° each second. If the pendulum is 25 inches long, how far does its tip move each second? Round your answer to two decimal places when necessary.
A. 10.02 in. B. 6.88 in. C. 8.73 in. D. 11.16 in.
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Factor completely. If a polynomial cannot be factored, say it is prime.x3 - 512
A. (x + 512)(x + 1)(x - 1) B. (x - 8)(x2 + 64) C. (x + 8)(x2 - 8x + 64) D. (x - 8)(x2 + 8x + 64)
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