In the diagram, the parabola intersects the x-axis at A(-3,0) and B(3,0) and has its vertex at C below the x-axis. The area of ∆ABC is 54. Determine the equation of the parabola. Explain how you got your answer.

Several paint mixtures are made by mixing blue paint and white paint. paint colors blue paint white paint mixture a 5 cups 12 cups mixture b 6 cups 6 cups mixture c 4 cups 12 cups mixture d 5 cups 6 cups which mixture has the highest ratio of blue paint to white paint