Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 3
B. 
C. 
D. 
Answer: D
Mathematics
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Find the sum.
A. 39 B. 25 C. 48 D. 46
Mathematics
Completely factor the polynomial or state that the polynomial is prime.x2 - 8x + 16
A. (x - 4)2 B. (x + 4)2 C. (x - 4)(x + 4) D. (x - 8)(x + 8)
Mathematics
Graph the system of inequalities.2x + 3y ? 6x - y ? 3y ? 2
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the volume V of a rectangular box with length 4 m, width 8 m, and height 3 m.
A. V = 63 ft3 B. V = 48 ft3 C. V = 84 ft3 D. V = 196 ft3
Mathematics