Answer a and b fast please

Question. 11 (7 points) Setup the problem and show your work A) A cart starting fmm rest rolls clown a hill and at the bottom has a speed of ' 4 m/s. Find the height of the hill? (3 pts) 8) if the cart were given an initial push, 5:: its initial speed at the top of the same hill was 3 m/s, what would be its speed at the bottom? {4 pts)