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