Couldn’t find the answer online.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Write the following as a base and exponent

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?