Determine whether the equation defines y as a function of x. y = 2x + 8

7(x - 2) = 3(x + 4) solve the following equation. then enter your answer in the space provided using mixed number format.

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class