Jeff's gas tank holds 17 1/2 gallons of gas. If he used 2/3 of a full tank on his latest car trip, how much gas was left in the tank?

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Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Write an algebraic expression to match each statement a. four less than 8 times a number b. twice the difference of a number and six c. nine from a number squared