I suck at math help me please

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+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.