Need help with this quick

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.

Acircle has a circumference of 7.850 units. what is its radius?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges