10.40.3 Can you answer these questions?

10.40.3.1 Custom 3D Coordinate System in pgfplots

https://tex.stackexchange.com/landing/r/digest?cta=question&id=720371

I am trying to create a custom 3D coordinate system using pgfplots in LaTeX. I want to define three direction vectors x, y, and z. However, when I define x=(-0.35,-0.35) and then define y and z, the ... 
[pgfplots] [3d] [axis]
 

asked by Wu Guiping https://tex.stackexchange.com/landing/r/digest?cta=user&id=131033 Score of 1

10.40.3.2 How do I include/define multiple english fonts within babel?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=720278

How might I be able to include multiple english fonts within a babel document (that has english as its main language)?  For example, how might I use a different font (or subfont within a font family) ... 
[fonts] [babel] [preamble]
 

asked by Epimanes https://tex.stackexchange.com/landing/r/digest?cta=user&id=65293 Score of 1

10.40.3.3 Can't get rid of the "Package biblatex Warning: Please rerun LaTeX"

https://tex.stackexchange.com/landing/r/digest?cta=question&id=720144

I'm working on a multilingual document that uses the biblatex package to manage my bibliography. While the output looks correct, I'm getting a persistent error that I haven't been able to resolve ... 
[biblatex] [bibliographies] [babel] [multilingual]
 

asked by Mycroft_47 https://tex.stackexchange.com/landing/r/digest?cta=user&id=284593 Score of 2