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You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Ineed with number 6 , explain how to get 1978

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x