A barbershop purchased 15 hair brushes and 5 blow dryers for $215. The barbershop then purchased 5 more hair brushes and 7 more blow dryers from the same company for $189. How much does one blow dryer cost?

Which translation maps the vertex of the graph of the function f(x) = x2 onto the vertex of the function g(x) = x2 – 10x +2?

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?