Factor completely.343y3 - 512
A. (7y - 8)(49y2 + 56y + 64)
B. (343y - 8)(y2 + 56y + 64)
C. (7y + 8)(49y2 - 56y + 64)
D. (7y - 8)(49y2 + 64)
Answer: A
Mathematics
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2
A. 
B. 
C. 
D. 
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Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.A chemist needs 60 milliliters of a 72% solution but has only 64% and 88% solutions available. Find how many milliliters of each that should be mixed to get the desired solution.
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A. 120,390 B. 120,490 C. 121,490 D. 131,490
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