Help me please math is a pain...

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Which expression converts 45 degree to radians

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?