Diana invested $3000 in a savings account 3 years, earned s innterest that period what she interest did she for t is rate earn? use the formula ept to find your over time. enter your solution in decimal form answer where pa. rs rate and 12%, you would enter rounded to the nearest lis forexample. tyou 0.12. hundredm 1 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?