Add and simplify. Write the answer as a mixed number as needed.1
+ 6
A. 7
B. 8
C. 7
D. 7
Answer: B
Mathematics
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Use the zero and negative exponent rules to simplify the expression.2-6
A. 64
B. -64
C. 
D. 
Mathematics
Factor.a2 - 2ab + b2
A. (a - b)(a + b) B. (a + b)2 C. (a - b)2 D. Not possible
Mathematics
Simplify, where possible.7(7a - 4)
A. 49a - 4 B. 49a - 28 C. -196a D. 7a - 28
Mathematics
Factor.r2+ 4r + 4
A. (r + 2)2 B. (r - 2)2 C. (r + 2)(r + 2) D. (r + 4)(r - 4)
Mathematics