Apply the quotient rule for exponents, if applicable, and write the result using only positive exponents. Assume all variables represent nonzero numbers.

A.
B. -x21
C.
D. x13

Answer: C

Mathematics

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A.
B. 0
C.
D. 1

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Simplify. Remember that we have assumed that radicands do not represent the square of a negative number.

A. 11x2 B. -11x C. 11x D. 121x

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Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.

A.
B.
C.
D.

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Add or subtract as indicated. Write the answer in simplest form. - 

A.
B.
C.
D.

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