3.23.3 Can you answer these questions?

Can you answer these?

3.23.3.1 Having trouble with /includegraphics

https://tex.stackexchange.com/questions/380395/having-trouble-with-includegraphics

I am a new-comer to latex, so I know that there may be a simple fix to this but I can't figure it out on my own. I'm using the following code to try to put a picture in my document. 
...
 

- asked by S. Frank 2votes

3.23.3.2 Placement of amsthm's proof and theorem environments

https://tex.stackexchange.com/questions/380501/placement-of-amsthms-proof-and-theorem-environments

Since when I started LaTeXing I've always wrote the proof environment inside the theorem, but I see many templates or answers in which first the theorem is ended and then the proof is begun. 
Namely,  ...
                                                                                  

                                                                                  
 

- asked by AndreasT 1vote

3.23.3.3 how to*precisely* center a quote vertically in latex?

https://tex.stackexchange.com/questions/379797/how-to-precisely-center-a-quote-vertically-in-latex

I thought I'd wrap up the evening by quickly vertically centering some text in LaTeX. 
But, of course, that's not how LaTeX works :/. 
I've taken this simple approach. 
Here's my MWE: 
...
 

- asked by maxheld 2votes

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