determine the slope of the line which contains the following points.
1. (-3,2) and (7,6)
2. (-3,4) and (4,4)
3. (3,2) and (-5,8)
4. (1,1) and (10,10)
5. (3,7) and (3,-15)
6. (0,6) and (-2,-8)
7. (7,1) and (-1,-1)
8. (2,5) and (1,3)
9. (5,4) and (3,3)
10. (-2,3) and (-4,2)
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