Rewrite the expression with a positive rational exponent. Simplify, if possible.

A.
B. y1/5
C. y5/2
D.

Answer: B

Mathematics

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Express the rational number as a terminating or repeating decimal number.

A. 0.125 B. 0.085 C. 0.025 D. 0.135

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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 3, ? < ? < Find tan .

A.
B.
C.
D.

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Mathematics

Solve.t2 - 2t - 15 ? 0

A. (-?, -3] ? [5, ?), or {tt ? -3 or t ? 5}
B. [5, ?), or {tt ? 5}
C. (-?, -3], or {tt ? -3}
D. [-3, 5], or {t-3 ? t ? 5}

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Mathematics

Use least common multiple or greatest common divisor to solve the problem.Three clocks chime every 21 minutes, 39 minutes, and 91 minutes, respectively. If the three clocks chime together, how much time must pass before they will chime together again?

A. 151 minutes B. 819 minutes C. 273 minutes D. 3549 minutes

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Mathematics