Solve for x. Enter the solutions from least to greatest.
x2 – X – 12 = 0

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

What is the value of x when x + 7 = 21?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.