Perform the indicated operations.(11a5 + 5a2) - (-18a5 + 16a2)
A. 29a5 - 11a2
B. 29a5 + 21a2
C. 18a7
D. -7a5 + 21a2
Answer: A
Mathematics
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A. (-1, ?) B. (-?, -1) C. None D. (-?, ?)
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A. 
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