Tracy is required to take a course in psychology and one in social justice next semester. She also wants to take Spanish II. If there are two sections of psychology, two of social justice, and three of Spanish II, how
many different class schedules can Tracy choose from?

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?