Given ∆ABC, with a = 9 , b = 8 and c =13, find angle c

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

Need this asap if anyone can i would be very grateful. if you could show workings that would really

The measure of angle 0 is 600 degrees