George bought 14.2 gallons of gasoline priced at x dollars per gallon, 2 quarts of oil
priced at y dollars per
quart, and a wiper
blade at $3.79. Which expression
represents the total cost of these items?

What is the simplified expression for 6(2(y+x))

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Which expression gives you the distance between the points (5,1)and(9,-6)