Can someone plz me in this i already poster this but no one helepd

Me write an equation for the interior angles of this triangle that uses the triangle sum theorem

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8