Use the commutative and associative properties to simplify the expression. + 

A.  + t
B. t + 
C.  + t
D. t


Answer: C

Mathematics

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Find the domain of the rational function.f(x) = 

A. domain of f: (-?, ?) B. domain of f: (-?, 2) ? (2, ?) C. domain of f: (-?, 0) ? (0, ?) D. domain of f: (-?, -2) ? (-2, ?)

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Perform the following division.

A. 26 R10 B. 14 R15 C. 27 R10 D. 26 R15

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Write as a percent.1

A. 0.1% B. 50% C. 100% D. 0.01%

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Solve the problem.The graphs below represent the supply and demand for a product at various prices per unit. At what price does supply equal demand?

A. $900 B. $650 C. $400 D. $177

Mathematics