Abag contains 40 marbles: 12 red, 12 blue, and 16 yellow. what is the probability that a blue is randomly selected? a) .30 b) .33 c) .40 d) .60

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.