9-4
1. Find the midpoint of the line segment between (1, 4) and (9, 10).
2. Find the distance from (1, 4) to (9, 10).
3. Find the distance from the midpoint to both of the endpoints.
4. Find the distance of the points on the line whose equation is y = 2x - 3 whose x coordinates are 3 and 7.
5. Find the points on the line whose equation is y = 2x - 3 whose distance from the point (2, 1) is 5.