Find the average rate of change for the ordered pair: (3,,18)

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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.

Ineed with math stuff it involves graphs