Rewrite the expression with a positive rational exponent. Simplify, if possible.(93/4 ? 16-3/4)2

A.
B. 91
C. 1728
D.


Answer: D

Mathematics

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Perform the indicated conversion between American and metric units of length.19 kilometers to miles (Round to the nearest tenth.)

A. 20.1 B. 18.0 C. 30.6 D. 11.8

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Determine whether the given value is a solution of the inequality.-11n - 10 ? -12n - 15;  -4

A. A solution B. Not a solution

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Factor by grouping.10x6 + 15x3 - 6x3 - 9

A. (5x3 - 3)(2x3 + 3) B. (10x3 + 3)(x3 - 3) C. (5x3 + 3)(2x3 - 3) D. (5x6 - 3)(2x + 3)

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Solve.A bag of fertilizer covers 2500 square feet of lawn. Find how many bags of fertilizer should be purchased to cover a rectangular lawn 270 feet by 180 feet.

A. 19 bags B. 195 bags C. 20 bags D. 1944 bags

Mathematics