In the following equations, let x=−3 and y=2/3. determine whether the following equations are true, false, or neither true nor false.
7. xy =−2
8. x+3y=−1
9. x+z=4
10. 9y=−2xx
11. y/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.