You select a marble at random and then put it back. If you do this 8 times, what is the best prediction possible for the number of times you will pick a red marble?

A.) 1/8

B.)2/4

C.)2/5

D.)3/11

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?