The shoes that sofia wanted to buy at the mall were marked down from $30 to $24. what is the percentage of discount? 20 25 30 40

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.

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

What is always true when two whole numbers are subtracted?