2 Which expression is equivalent to 64-*?
1) (8 - x)(8 - x)
2) (8 - x)(8 + x)
3) (x-8)(x-8)
4) (x-8)(X + 8)

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?