Find the coordinates of the intersection of the diagonals of the parallelogram with the vertices W(−2, 5), X(2, 5), Y(4, 0), and Z(0, 0).

How to do this , and can some one explain

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2