I need a little help.​

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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.