Simplify and express your answer using positive exponents only.


90n?

Mathematics

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Provide an appropriate response.State whether the following situation represents direct variation, inverse variation, or neither, and explain why: A runner's speed in a race and the time that it takes to run the race.

What will be an ideal response?

Mathematics

List all the elements of B that belong to the given set.B = {7, , -8, 0, , - , 7.7, }Counting numbers

A.
B. {7, 0}  
C. {-8, 0, 7}
D.

Mathematics

Simplify. Assume that no denominator is zero and 00 is not considered.-5n5 ? 3n8

A. -2n40 B. -15n13 C. -15n40 D. -2n13

Mathematics

Simplify the complex fraction.

A.
B.
C.
D. None of these

Mathematics