Anyone know this multiple choice?

Round 0.866 to the nearest hundredth

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

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