Rationalize the denominator. Assume all variables represent positive real numbers.

A.
B.
C.
D.   - 1


Answer: C

Mathematics

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Determine the slope of the line.

A. -3 B. -5 C. 1 D. -7

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Solve the system by substitution.

A. (0, 0) B. (0, -1) C. (1, -1) D. (-1, 0)

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Solve by trial.y ? 2 = 12

A. 5 B. 7 C. 6 D. 0

Mathematics