1 hộp có 12 bi , trong đó 4 bi trắng và 8 bi đen , tính xác suất được 3 bi cùng màu

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

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red

What’s the volume of the triangular prism?