Is 15m 36m 39m right triangle

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?

In an improper fraction, is the numerator equal to, less than, or greater than the denominator

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?