Find the number of ways of selecting 12 balls from 6 red balls, 5 white balls and 5 blue balls if each selection consists of 4 balls of each color.

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

Having a hard time understanding this question (see attachment).

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.