A biology class has a total of 25 students. The number of females is 15 less than the number of males. How many males and how many females are in the class?

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 value of x is in the solution set of –5x – 15 > 10 + 20x?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane