PLS HELP​

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)

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me

Use pascal's triangle to find the missing values. x4 - 4xb + 6x2 - ax + 1