Help and first correct answer gets wrong answer?? = report/comment on fixing it OR revisions

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

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)