Rationalize the denominator and simplify.

A.
B.
C.
D.

Answer: A

Mathematics

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Use reduction formulas to evaluate the integral.

A.  sin 3x -  sin3 3x + C
B.  sin 3x +  sin3 3x + C
C.  sin 3x -  cos3 3x + C
D. 5 sin 3x -  sin3 3x + C

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Solve the problem.A flat rectangular piece of aluminum has a perimeter of 56 inches. The length is 6 inches longer than the width. Find the width.

A. 23 in. B. 28 in. C. 11 in. D. 17 in.

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Solve the problem.In how many ways can 8 people line up for play tickets?

A. 8 B. 1 C. 40,320 D. 16,777,216

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Write as a percent. Round to the nearest hundredth of a percent when necessary.

A. 35.5%  B. 71%  C. 1000% D. 7.1% 

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Mathematics