Help with this question, its in the doc below

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.

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Find the value of the variable and the length of each chord for #5 and #6.