A store is having a 20%-off sale on all merchandise. if mai buys one item and saves $13, what was the original price of her purchase?

What is the measure of angle tvu shown in the diagram below

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2