Show ! : d
a regular hexagon with one side extended is shown. (in
the picture)
what is the value of x?
a. 30 degrees
b. 60 degrees
c. 120 degrees
d. 240 degrees

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

Math it's appreciated. (picture provided)