If events A and B are independent, what must be true?
A. P(A|B) = P(B)
B. P(A|B) = P(A)
C. P(A) = P(B)
D. P(A|B) = P(B|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?