Simplify by writing with positive exponents. Evaluate if necessary. Assume that all variables represent nonzero real numbers.y4z-3

A. -y7z6
B.
C.
D. y3z4

Answer: C

Mathematics

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A. yes, 8 B. no C. yes, 2 D. yes, 1

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Match the system of equations with one of the graphs.x2 + 16y2 = 16x2 + y2 = 36

A.

B.

C.

D.

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Determine whether the angles in the given pair are coterminal.113°, 523°

A. Yes B. No

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Simplify, where possible.30x - 9y - 20x - 7y

A. -10x - 16y B. 10x - 16y C. 10x - 2y D. 10x - 9y - 7

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