Evaluate and simplify cos 2pi/3. the options for answers are in the picture attachment, but i have no idea how to get any of them? , any is appreciated (:

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Find the value of x. round the length to the nearest tenth

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.