Pls simplify negative 9 over 6 divided by 3 over negative 2.

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.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Which graph represents the given linear function 4x+2y=3