Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-2x6y)5

A. (-2)5x30y5
B. (-2)5x11y5
C. -10x6y
D. -10x6y5


Answer: A

Mathematics

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A. 1008 B. 8 C. 120,960 D. 40,320

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? is an acute angle and sin ? is given. Use the Pythagorean identity sin2 ? + cos2 ? = 1 to find cos ?.sin ? = 

A.
B.
C.
D.

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Find decimal notation70%

A. 0.07 B. 0.59 C. 0.7 D. 7

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Write a formula for the nth term of the arithmetic sequence. Use the formula to find the 20th term of the sequence.a = - , d = - 

A. an = - n - ; a20 = - 
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C. an = - n - ; a20 = - 
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Mathematics