A rolling pin is shaped like a cylinder with a diameter of 2 inches and a height of 10 inches . how many square inches of space does the rolling pin come in contact with after one complete roll?

2men and 7 boys can do a piece of working 4 days. it is done by 4 men and 4 boys in 3 days how long would it take for 1man or one boy to do it alone

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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?