Intersection of Lines #2

Given triangle DOG with coordinates D(2,-6) O(10, 8) and G(6,-4):

1. Find the equation of the line containing the perpendicular bisector of DO.
2. Find the equation of the line containing the perpendicular bisector of OG.
3. Find the equation of the line containing the perpendicular bisector of DG.
4. Find the intersection of numbers 1 and 2.
5. Find the equation of the line containing median DX.
6. Find the equation of the line containing median OY.
7. Find the equation of the line containing median GZ.
8. Find the intersection of 5 and 6.
9. Find the equation of the line containing altitude DA.
10. Find the equation of the line containing altitude OB.
11. Find the equation of the line containing altitude GC.
12. Find the intersection of 9 and 10.