Fracciones combinadas

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11