Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.

A.
B.
C.
D. x9y3

Answer: B

Mathematics

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A. 198.21°, 341.79° B. 18.21°, 341.79° C. 522.65°, 17.35° D. 198.21°, 288.21°

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Graph the system of inequalities.y > x28x + 7y ? 56

A.

B.

C.

D.

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For the given augmented matrix, find a value of k so that the associated linear system is inconsistent.  

A. 6 B. -12 C. 12 D. -6

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Simplify the radical. Indicate if the radical is not a real number. Assume that x represents a positive real number.

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