Sophia’s grandmother gave her $125 for singing lessons. She paid $13 for each lesson. How many lessons has she attended, if she still has $60 left. Write an equation and then use your equation to find your answer.

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.