Acylinder has a radius of 3 feet and a height of 2.1 feet what is the approximate volume of the cylinder

What is the total surface area of this square pyramid?

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?

4+(2+x) can you me solve this problem