Solve the problem.If n(A) = 52, n(B) = 37, and n(A ? B) = 75, find n(A ? B).
A. 89
B. 28
C. 14
D. 61
Answer: C
Mathematics
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Add.(9x2 + 8x - 12) + (16x + 12)
A. 9x2 + 8x + 24 B. 9x2 + 24x - 24 C. 33x3 D. 9x2 + 24x
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Solve the absolute value inequality. Write your answer in interval notation. 
? 8
A. ?
B. 
C. 
? 
D. 
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Perform the indicated elementary row operations in the stated order.
; 
A. 
B. 
C. 
D. 
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