Sam has a total of 58 dvd's and cd's. if the number of cd's is two more than three times the number of
dvd's, how many cd's does he have?

For which pair of functions is (gof)(a)=|a|-2?

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Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27