Is c 9/10 ? I’m probably wrong

I’m a little confused please help

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

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.

Need asap. solve for the following inequality