Factor completely.27a3 - 8b3
A. (3a - 2b)(9a2 + 4b2)
B. (3a - 2b)(9a2 + 6ab + 4b2)
C. (3a + 2b2)(9a2 - 6ab + 4b2)
D. (27a - 2b)(a2 + 6ab + 4b2)
Answer: B
Mathematics
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over the region R: square with vertices 
, 
/>, 
, 
.
A. ?
B. ?
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D. ?
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