Rationalize the denominator.

A.
B.
C.
D.


Answer: D

Mathematics

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Solve using the addition principle.5.3 = 22.5 - t

A. -27.8  B. 17.2  C. -17.2  D. 27.8 

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Find the function value.Let f(x) = . Find f .

A.
B.
C. - 
D. - 

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Solve the inequality. < 0

A. (-?, -2) or (1, ?) B. (-?, -2) C. (1, ?) D. (-2, 1)

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Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so.x + 9y = 415x + 8y = 20

A. {(4, 6)} B. {(-4, 5)} C. {(-5, 6)} D. ?; inconsistent system

Mathematics