Please see attached images I need 14-16

Acircle has a circumference of 28.36 units what is the diameter of the circle

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 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex