A jumping spider's movement is modeled by a parabola. The ser makes a single jump from the origin and reaches a maximum height of 20 mm halfway across a horizontal distance of 160 mm. Part A: Write the equation of the parabola in standard form that models the spider's jump. Show your work. (4 points) Part B: Identify the focus, directrix, and axis of symmetry of the parabola. (6 points)