Help a brother out. ill give brainlist

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?

What is the value of x? enter your answer in the box.

Which choice has the correct steps in graphing the solution set to the following inequality? -45_> 20x-5y