Simplify the expression.

A. 8
B. 4
C. 12
D. 4


Answer: D

Mathematics

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Solve the following quadratic equation by completing the square. Make sure your answer is simplified completely. If there are no real solutions, so state.3x2 + 24x + 27 = 0

A. x = 4 -  or x = 4 + 
B. x = -4 + 
C. no real solutions
D. x = -4 -  or x = -4 + 

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Decide whether the pair of functions graphed are inverses.

A. Yes B. No

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Simplify. Assume that no denominator is zero and 00 is not considered.(t - 3)9 (t - 3)2

A. (t - 3)11 B. (t - 3)18 C. (2t - 6t + 9)18 D. (2t - 6)11

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Solve the problem.Two pulleys of diameter 6 meters and 3 meters are connected by a belt. The larger pulley rotates 41 times per minute. Find the angular speed of the smaller pulley.

A. 246? radians per min B. 164? radians per min C. 123? radians per min D. 82? radians per min

Mathematics