Does anyone know math?

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

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.