What is the slope of the line that passes through the points (1, -3) and (4,2)?

A. 5/3
B. 3/5
C. -3/5
D. -5/3

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?