Asummer school charges $100 per course taken after a one time admission fee of $50. is the growth model that represents the total cost of taking n courses at the summer school a linear function? yes, because the one time admission fee is $50 yes because the cost per course is $100 no, because the cost per course is $100 no, because the total cost doubles for each additional course taken

Afurniture manufacturer produces chairs and sofas. each chair requires 10 yards of fabric, and each sofa requires 20 yards of fabric. the manufacturer has 300 yards of fabric available. to fulfill orders, the number of sofas must be at least twice the number of chairs. let x be the number of chairs and y the number of sofas. which inequalities are described in the problem? check all of the boxes that apply

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

Given: x - 4x > 0, then the solution set in interval notation is: (-2, 0) true o false