Factor the perfect square trinomial completely.16m2 - 72m + 81
A. (4m - 10)2
B. (4m + 9)(4m - 9)
C. (4m + 9)2
D. (4m - 9)2
Answer: D
Mathematics
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A. [x, x + h) B. [x, ?) C. (x, x + h] D. [-?, x + h)
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÷ 
A. - 
B. 1
C. 
D. - 
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