Simplify the rational expression.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the integral. 
(Give your answer in exact form.)
A. 
- 
B. 
- 
C. 
D. 
- 
Mathematics
Solve the system by substitution. -4x + 8y = 56 x + 7y = 49
A. No solution B. (0, 7) C. (1, 6) D. (-7, 0)
Mathematics
Factor when possible.36x2 - 49y2
A. (6x + 7y)2 B. (6x + 7y)(6x - 7y) C. (6x - 7y)2 D. Prime
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics