Subtract.(3a3b5 - 5a4b2 + 9ab3 - 7ab + 14) - (11b5a3 - a4b2 + 11ab3 - 3)
A. -5a3b5 - 7a4b2 - 20ab3 - 7ab + 11
B. 8a3b5 - 4a4b2 - 20ab3 - 6ab + 11
C. -8a3b5 - 4a4b2 + 2ab3 + 7ab + 15
D. -8a3b5 - 4a4b2 - 2ab3 - 7ab + 17
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Factor the expression completely. If the polynomial is prime, state this as your answer.a3b3 + 125
A. (ab - 5)(a2b2 + 25) B. (ab + 5)(a2b2 - 5ab + 25) C. (ab + 5)(a2b2 - 25) D. (ab - 5)(a2b2 + 5ab + 25)
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Factor completely. If the polynomial is prime, state so.x2 + 18x + 81
A. (x + 9)(x - 9) B. (x - 9)2 C. prime D. (x + 9)2
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Convert the units.49 kg = 
g
A. 4900 g B. 49,000 g C. 0.49 g D. 0.049 g
Mathematics