Julie buys a sweater that is on sale for 20% less than the original price. If she pays $40, what was the original price?

7x+8y=-18, 4x-9y=-3 solve the system of equations

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges