Rationalize the denominator. Assume that all variables represent positive real numbers and that the denominator is not zero.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Perform the indicated operation or operations.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the rational equation.
+ 
= 2
A. ?
B. {5}
C. 
D. 
Mathematics
Find the indicated matrix.Let B = [-1 2 4 -3]. Find -3B.
A. [-3 0 2 -5] B. [3 2 4 -3] C. [3 -6 -12 9] D. [-3 6 12 -9]
Mathematics
Simplify by removing grouping symbols and combining like terms.3x(4x2 - 6x - 1) - 4x(2 - x)
A. 12x2 - 14x - 11 B. 12x3 - 15x - 1 C. 12x3 - 22x2 - 11x D. 12x3 - 14x2 - 11x
Mathematics