What is x of the 90 degree angle if there is (3x+9) and (2x-4)? PLEASE answer soon

Twelve friends shared 8 small pizza equally.how many pizzas did each person get?

Can some one me, i’ve been asking for so long

(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)