2 X + 3 = X + 1. find the value of x

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?