How many ninths does it take to make the amount as1/3

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

What is the solution of the systems of equations? y=2/3x+3 x=-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.