What changes when the parent function is stretched by a positive factor?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units