Is -7x+8y=9 and 21x/8 -3y = -6 consistent or inconsistent

Question 5 spring semester final exam math evaluate

The distributive property allows you to say that 3(x − 1) = 3x −

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?