If the points on a graph of a linear function are (-2,10 (0,4) (2,-2) and (4,8) what is the y-intercept

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.

3. find the radius of circle p.4. find y.

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse