What times what equals -9 besides from -9 times 1 but when I add it, it gives me -6

What is the slope of the equation y =

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.

For the inequality |c| < |d| to be true, which of the following must be true?