Rationalize the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Decide if the number is rational or irrational.1.047
A. Rational B. Irrational
Mathematics
Factor by grouping.6x2 - 8x - 9x + 12
A. (6x + 3)(x + 4) B. (2x - 3)(3x - 4) C. (6x - 3)(x - 4) D. (2x + 3)(3x + 4)
Mathematics
Combine the following, if possible.26
- 13
A. 13
B. 13
C. 39
D. 143
Mathematics
Determine the degree measure of the given angle.
A. 30° B. 120° C. 60° D. 150°
Mathematics