What is 8=6+a/4 two step equation?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Select all the expressions that will include a remainder.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?