Which expression is not equivalent to the other three?
a) −9 − 7n + 16n
b) 9(n-9)
c) n − 9 + 8n
d) 9n − 9

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.

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

What is the solution for 6 - 7/8? explain the steps.