Evaluate the expression when y = 4. 5 + y + 8

With finding limits of multi variable !

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

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?