Please help have no clue

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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)

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17