Pleasee help I would really appreciate it ..its just one question and its multi answer choice

What is the slope of a line that is perpendicular to y = 3x + 1

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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.