Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.

A. 52
B.
C. 3 
D.


Answer: B

Mathematics

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Evaluate.

A. 72 B. -135 C. -72 D. 9

Mathematics

Find the LCD for the fractions in the list.

A. r(r + 1)(r + 3) B. (r + 3)2 C. r(r + 3)2 D. r(r + 3)

Mathematics

Solve by making a u-substitution.(3m - 6)2 - 3(3m - 6) - 10 = 0

A.
B.
C.
D.

Mathematics

Solve the equation.(20x - 25) = (10x - 8)

A. -1
B. 1
C. -9
D.  

Mathematics