Solve the equation. if necessary, round to the nearest tenth. 4x^2 =81 a 20.25, -20.25 b 2.25, -2.25 c 4.5 -4.5 d 9, -9

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.