Multiply.(10x + y)(10x - y)
A. 100x2 + 20xy - y2
B. 100x2 - 20xy - y2
C. 100x2 - y2
D. 20x2 - y2
Answer: C
Mathematics
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A. 
B. 
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, where 
?
, 
?
Round the answer to two decimal places, if necessary
?
__________
Fill in the blank(s) with the appropriate word(s).
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A. 6
B. 
C. 
D. 
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What will be an ideal response?
Mathematics