What is two added to double a number in algebraic expression

Find the nonpermissible replacement for binthis expression. b2/5b +5

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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.