Perform the indicated operation and simplify. Assume all variables represent positive real numbers.
? 
A. 7
B. 42
C. 7
D. 
Answer: A
Mathematics
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A. -797,162 B. -797,166 C. -797,160 D. -797,153
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A. 
; (0, 3)
B. (3, 0); 
C. 
; (0, 3)
D. 
; (0, 4)
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