Solve for n. 1/2n+3/4n=1/2 enter the answer, as a whole number or as a fraction in simplest form, in the box. the picture is included below.

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.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.