A store manager is going to build a display with same-size cubes. The display will look like a staircase wit 5 steps. Each step in the display will be 6 cubes long. The manager will build the display with 1-foot plastic cubes. How many cubes will he need to build the display? (find the volume)

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.