10.24.3 Can you answer these questions?

10.24.3.1 tikz multipartite graph node arrangement

https://tex.stackexchange.com/landing/r/digest?cta=question&id=714746

I am very new to tikz (and posting on stackexchange). 
I am trying to draw a graph with 27 vertices, consisting of 9 independent sets of 3 vertices each. 
All other edges are included. 
With the code ... 
[tikz-pgf] [graphs] [tikz-graphs]
 

asked by m42 https://tex.stackexchange.com/landing/r/digest?cta=user&id=317910 Score of 1

10.24.3.2 Printing Question, then Question and Solutions at end of chapter in book class

https://tex.stackexchange.com/landing/r/digest?cta=question&id=714407

My question is almost answered in other posts: I suspect exsheets is part of the answer. I am writing a book and have exam-style questions in the body with their solutions at the end of the chapter. I ... 
[exam] [books] [exsheets]
                                                                                  

                                                                                  
 

asked by Squigglevoid https://tex.stackexchange.com/landing/r/digest?cta=user&id=317636 Score of 1

answered by jlab https://tex.stackexchange.com/landing/r/digest?cta=user&id=316068 Score of 0

10.24.3.3 full-width table of content for tufte-book

https://tex.stackexchange.com/landing/r/digest?cta=question&id=714346

Using the tufte-book layout, I wish to use the full width of the pages where the table of content is listed. There are a number of similar questions on SO (for example from which I used some of his ... 
[tufte] [tufte-book]
 

asked by user855443 https://tex.stackexchange.com/landing/r/digest?cta=user&id=161067 Score of 1