How many distinct ways are there to rearrange the letters in REARRANGE?

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Could answer every question with steps

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?