What is the slope, m, and y-intercept for the line that is plotted on the grid below?
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11 23
m= 1 / (0, -2)
m = 1/2, (0.4)

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?