Write an expression for the perimeter of the triangle shown below 2.3x + 14 2x -0.2x + 15

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip