The midpoint of AB = ([?],[ ])

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.

Which of the following shows the length of the third side, in inches, of the triangle below

Me get the answer and explain to me the steps to solve it would be greatly appreciated : )