Help! Answer both questions! And no links please!

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.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?