2.23.3 Can you answer these questions?

2.23.3.1 Adding information for coversion between formats
2.23.3.2 ConTeXt: How to setuphead with a definefont and font size relative to body font
2.23.3.3 Why does the picture appear in a different position in XeLaTeX?

Can you answer these?

2.23.3.1 Adding information for coversion between formats

http://tex.stackexchange.com/questions/315913/adding-information-for-coversion-between-formats

I just installed LyX 2.2.0, and trying to preview the included examples/splash.lyx file that shows up the first time you start the program. I'm getting an error about not being able to convert between  ...
 
- asked by waspinator 2votes
2.23.3.2 ConTeXt: How to setuphead with a definefont and font size relative to body font

http://tex.stackexchange.com/questions/316233/context-how-to-setuphead-with-a-definefont-and-font-size-relative-to-body-font

I am trying to replicate a Word template that is made ... ahem "beautiful" ... by using a scattering of different fonts all over the place. 
The body font is different from the heading fonts. 
I have: 
...
 
- asked by helpwithhaskell 3votes
2.23.3.3 Why does the picture appear in a different position in XeLaTeX?

http://tex.stackexchange.com/questions/315264/why-does-the-picture-appear-in-a-different-position-in-xelatex

Min reprex: 
\documentclass{article} 
\usepackage{graphicx} 
\usepackage{adjustbox} 
\usepackage{showframe} % just to illustrate 
\begin{document} 
\adjustbox{trim={.5\width} 0 0  ...
 
- asked by Hugh 6votes