The store purchased a pair of shoes for $45. They marked them up 70% before selling them. What was the sale price of the shoes?

Point $(x, y)$ is randomly picked from the rectangular region with vertices at $(0,,,2010),$ and $(0,2010)$. what is the probability that $x > 7y$? express your answer as a common fraction.

What is the relationship between all triangles that can be drawn given the same three angles

Solve for the equation. 4x - 13 = 2x + 9