Simplify. Combine like terms if possible.8h2 - 5h2 + 4h2
A. 12h2 - 5
B. 12h2
C. 7h2
D. 7h6
Answer: C
Mathematics
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A. 1 B. 7 C. -7 D. -1
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= 
What will be an ideal response?
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Find the least common denominator.
, 
A. (x + 2)(x - 5)(x - 2) B. (x - 2)(x + 5)(x - 2) C. (x + 2)(x - 5) D. (x - 5)(x - 2)
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Multiply.12x2(-10x2 - 9)
A. -120x4 - 108x2 B. -228x2 C. -120x4 - 9 D. -120x2 - 108
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