Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.

A. 2
B.
C. 2r-2
D. 2r2

Answer: D

Mathematics

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Write the decimal point in the correct location. 

A. 319 B. 3190.0 C. 3.19 D. 31.90

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Provide an appropriate response.What is the rule for multiplying a decimal number by 100,000?

What will be an ideal response?

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Graph the system of linear inequalities in two variables.

A.

B.

C.

D.

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