Multiply.(8x + 9y)(8x- 9y)
A. 64x2 + 81y2
B. 64x2 - 72xy + 81y2
C. 64x2 - 81y2
D. 64x2 - 72xy - 81y2
Answer: C
Mathematics
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Fill in the blank with one of the words or phrases listed below.
A(n) 
contains a whole number part and a fraction part.
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Simplify the expression. Leave answers with exponents.(54)2
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Show that the set is infinite by placing it into a one-to-one correspondence with a proper subset of itself.
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A. ?
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B. ?
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C.
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D. ?
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E. ?
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