If lines p and q are perpendicular and the slope of line p is 2 what is th slope of line q

Anthony is making a collage for his art class my picking shapes randomly. he has five squares, two triangles, two ovals, and four circles. find p( circle is chosen first)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2