Is the line y=x at 45 degrees to the x-axis?

Find the surface area of the prism formed by the net

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

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