Two scalar random quantities x, z have joint distribution with conditional distributions known, what is the joint distribution (x, z)?

Taking algebra two apex courses and need with these questions

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.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?