Suppose the coordinate of p is 2, pq = 8, and pr = 12. what are the possible coordinates of the midpoint of the given segment? the coordinates are pq, pr, and qr.. so confused on how to do this.. : )

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?