2. Ethan measures the distances between three cities on a map. The distances between the three cities are 30 miles, 40 miles, and 70 miles. Could the positions of the three cities form a right triangle? Prove your answer.

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.