Please help if possible? :)

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

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.