The cost for 7 dance lessons is 82 dollars the cost for 11 lessons is 122 dollars write the equations that models this

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Solve the system of equations y= 3/2 - 1, -x+ y =-3

If y varies directly as x2 and y=6 when x=6, find the constant of variation.