Explain why the result is always the original number followed by your age

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

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?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.