Find a4 for the sequence described.Geometric, with a5 = 81 and a7 = 1
A. 
or - 
B. 9 or - 9
C. 729 or - 729
D. 81 or - 81
Answer: C
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Simplify the expression by removing parentheses and combining like terms.5 + (5k - 3)
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Solve the problem.Approximately one-fourth of all glass bottles distributed will be recycled each year. A beverage company distributes 370,000 bottles. The number still in use after t years is given by the function N(t) = 370,000
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