Does anyone know the ans To this

What is the exact volume of the cylinder? 16in going into the middle of the top of the cylinder and 40in in height a) 25,600(pi)3 b)10,240(pi)3 c)1280(pi)3 d)640(pi)3

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?