Ling sees that in this window design, there are rectangles of different sizes. how many rectangles are in the design?

Based on the figures as marked, /\rqs = —

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle

What are the solutions of the following system? y=-2x^2 y=x-2