Find slope of the line through each pair of points. Show your complete solution to get full credit.
1. (2,2) and (3,5)
2. (0,-2) and (-9,4)
3. (0,4) and (2,4)
4. (-3,0) and (0,3)
5.(-4,-5) and (-2, 6)
6. (2,5) and (2,6)​​