An online retailer charges $6.99 plus $.55 per pound to ship electronics purchases. how many pounds is a dvd player for which the shipping charge is $11.94

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft