Simplify.81 ÷ (-9) + (-9)
A. -18
B. -27
C. 18
D. 0
Answer: A
Mathematics
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B. 
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D. 
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A. 
B. 
C. 
D. 
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Find the ratio of the first number to the second and simplify.10 to 14
A. 
B. 
C. 
D. 
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Multiply.
(-x)
A. 
B. 
C. 
D. 
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