I need help fastt plss

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?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Find the measure of angle b in the following triangle