Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers. -1/2

A. -
B.
C. -
D.

Answer: B

Mathematics

Evaluate the improper integral.

A. 120 B. 80 C. 100 D. 60

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Mathematics

Express the number in terms of j.

A. 7j
B. -j
C. -7j
D. j

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Mathematics

Subtract. Use borrowing, if necessary.

A. 783 B. 567 C. 667 D. 657

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Mathematics

Evaluate the determinant.

A. 37 B. 9 C. 6 D. 0

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Mathematics