Which step should be completed first to solve the equation --2 = 3z + 4 ?
a.
add 2 to both sides.
b.
subtract 4 from both sides.
c.
divide both sides by 3.
d.
add 4 to both sides.

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.