List price for a lawn mower: $420
Net price: $315
Find the trade discount rate

Solve the equation by completing the square. x^2+2x=17

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?

What is the product? a-3/15a × 5/a-3