Solve.Your cable bill increased last year. For the first 5 months your bill was $26.89 each month. For the remaining 7 months it was $28.89 each month. Find the mean amount of your cable bill for the year.

A. $33.67
B. $336.68
C. $27.89
D. $28.06


Answer: D

Mathematics

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A. y = ± x
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