Find the midpoint of the following segment created by these pairs of endpoints: (0, 1), (0, 5)
1: (1, 5)
2: (0, 2.5)
3: (0, 3)
4: (5, 1)
1: (1, 5)
2: (0, 2.5)
3: (0, 3)
4: (5, 1)
