Which is the equation of the line? a. –4x + 7y = 28 b. 4x + 7y = –28 c. 4x – 7y = 28 d. –4x – 7y = –28 a? ?

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?