This is a long one i tried doing this one my self but I must have messed up somewhere don't know what it was but can some one answer this?

Triangle RST has vertices located at R (2, 3), S (4, 4). and T (5, 0). Part A: Find the length of each side of the triangle. Show your work. (4 points) Part B: Find the slope of each side of the triangle. Show your workw points) Part c: Classify the triangle. Explain your reasoning. (3 points)