En un estudio estadístico, ¿qué es la muestra?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Combine like terms to make a simpler expression 3z+z

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.