In the store, n buttons were put on s shirts. how many buttons are on each shirt if the same number of buttons were put on each shirt?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

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?

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?