Which statement is true regarding the parallel and perpendicular lines in the diagram

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual