If the distance between two points (x, 7) and (1, 15) is 10. Find the value of ‘x’ please help ​

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’s the range cuz i can’t find it?

Anyone know these questions? i need ,.