For any non negative real number a, square root a^2 = blank

For the equations below which statement is true ? -2x=14 6x=-42

Witch represents the inverse of the function f(x)=1/4x-12

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.