Simplify. Write your answer using only positive exponents. Assume that all variables represent nonzero numbers.

A.  
B. -x3
C.  
D.  x11

Answer: D

Mathematics

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Provide an appropriate response. Using the law of sines, find C if a = 4.5, A = 37°, and c = 5.2 in triangle ABC. Round to the nearest 0.1°.

A. 31.4° B. 58.6° C. 45.9° D. 44.1°

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Mathematics

Divide and simplify. Assume variables do not cause any denominators to equal 0. ÷ 

A.
B.
C.
D.

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Mathematics

Use the graph to find the intervals on which it is increasing, decreasing, or constant.

A. Increasing on (-?, 0); decreasing on (0, ?) B. Increasing on (-?, ?) C. Decreasing on (-?, 0); increasing on (0, ?) D. Decreasing on (-?, ?)

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Mathematics

Solve the problem using the elimination method.The sum of two numbers is 52. The second number is three times as large as the first number. What are the numbers?

A. 11 and 41 B. 11 and 33 C. 10 and 42 D. 13 and 39

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Mathematics