Simplify the expression.(-b)2
A. Exponent: -2, base: b
B. Exponent: -b, base: 2
C. Exponent: 2, base: b
D. Exponent: 2, base: -b
Answer: D
Mathematics
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A. Yes B. No
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A. 
B. 
C. 
D. 
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Perform the indicated operations. Simplify, if possible.
- 
+ 
A. 
B. 
C. 
D. 
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Simplify. Assume that all variables represent positive real numbers.
A. 3x
B. 3x
C. 3x
D. x
Mathematics