Tom wants to fence in his yard to keep his dog from running out into the street. He knows how many square feet his yard is, but he needs to know the perimeter. The area of Tom’s back yard is 400 feet squared. Tom’s yard is in the shape of a square. How many feet of fencing does Tom need to buy?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.