Find the mean absolute deviation (MAD) of the data in the bar chart below.

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)

Alarge rectangle is divided into four smaller rectangles.

If the measure of xyz is 81 what is the measure of yz