these numbers in ordered pairs are related to each other.

1.(1,2), (3,4), (5,6), (0,__), (10,11), (2,___), (___,7), (8,__)

2. (9,3), (3,1), (12,__), (__,2), (___,7), (8,___)

3. (4,9), (5,11), (2,5), (6,__), (__,7), (10,__), (__,3)

4. (3,10), (6,37), (2,5), (7,__), (5,__), (__,2), (__,82)

5. (12,8), (6,5), (10,7), (14,__), (20,__), (__,14), (100,__)

6.(3,6), (8,56), (5,20), (6,__), (10,__), (4,__)

7. (16,2), (64, 4), (36,3), (100,__), (4,__), (144,__)

Note: there were 30 questions and i got all of them except these 7. Please explain all 7 pairs.

Thank you!