Can you find solution for these questions?

These are the questions . I need you to answer them. If you can confirm it to MathWHIZ

These questions exist in Graph Theory and its Applications Second Edition

1.5.18; 1.5.20;1.7.15

           2.1.3;2.3.36;2.4.9;2.4.32;

           2.5.9; 2.5.10;2.5.11;

           2.6.15;2.7.28 (psedocode);2.8.11;