In how many ways can five different coloured flags be arranged in a row

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)

Corresponding angles are a. always b. sometimes c. never congruent

How would you describe the difference between the graphs of f(x) = 2x2 and g(x) = -2x2?