8.70.3 Can you answer these questions?

8.70.3.1 Cannot change from arabic to roman numerals in ConTeXt

https://tex.stackexchange.com/landing/r/digest?cta=question&id=663654

I tried this MWE in ConTeXt standalone and live.contextgarden.net. 
\definepapersize[main][width=6in,height=9in] 
\setuppapersize[main] 
\setupinterlinespace[line=14pt] 
\setuplayout[backspace=0.8in,... 
[page-numbering] [context]
 

asked by Muhammad Rizqi Siregar https://tex.stackexchange.com/landing/r/digest?cta=user&id=283822 Score of 1

8.70.3.2 Drawing a "polar rectangle" (a portion of an annular region)

https://tex.stackexchange.com/landing/r/digest?cta=question&id=663257

I drew the following region 
with the code 
\documentclass[12pt]{article} 
%tikzpicture 
\usepackage{tikz} 
%pgfplots 
\usepackage{pgfplots} 
\pgfplotsset{compat=newest} 
\usepgfplotslibrary{statistics} 
\... 
[tikz-pgf]
 

asked by user283781 https://tex.stackexchange.com/landing/r/digest?cta=user&id=283781 Score of 1

answered by Raffaele Santoro https://tex.stackexchange.com/landing/r/digest?cta=user&id=24644 Score of 0

8.70.3.3 xltabular to stretch full width in MDPI template

https://tex.stackexchange.com/landing/r/digest?cta=question&id=663210

I need to use xltabular for a complex table. The MDPI template has an example of a tabularx on full width that I am trying to replicate: 
\documentclass[journal,article,submit,pdftex,moreauthors]{... 
[xltabular] [mdpi]
 

asked by mritz_p https://tex.stackexchange.com/landing/r/digest?cta=user&id=47127 Score of 1