Find the number of permutations of the first 8 letters of the alphabet taking 4 letters at a time. 1680 56 6720 109

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

Which statements about these triangles is true

9/10 divide by -3/15 as a mixed number