In the system shown below, what are the coordinates of the solution that lies in quadrant IV?
Write your answer in the form (a, b) without using spaces.
x^2+y^2=25
x-y^2=-5

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex