9.63.3 Can you answer these questions?

9.63.3.1 How to use curly braces of the "newcomputermodern" font with newtx package
9.63.3.2 Remove Extra space at the end of xltabular section
9.63.3.3 Problem with tkzLabelX in tkz-euclide : not found
9.63.3.1 How to use curly braces of the "newcomputermodern" font with newtx package

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696547

My question is the following. I want to use the { and } math braces of the newcomputermodern package while using the newtxmath package. Can this be done. If yes please help me with the commands. 
I am ... 
[newtxmath]
 
asked by C.S. https://tex.stackexchange.com/landing/r/digest?cta=user&id=14792 Score of 1
9.63.3.2 Remove Extra space at the end of xltabular section

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696779

I have a section like this: 
\section{Languages} 
\vspace{-30pt} 
\noindent\begin{xltabular}{\linewidth}{ 
@{}>{\small}p{.15\textwidth} 
X@{} 
} 
& \textbf{Persian}: Native / ... 
[tabularx] [xltabular]
                                                                                  

                                                                                  
 
asked by Danialz https://tex.stackexchange.com/landing/r/digest?cta=user&id=285966 Score of 1
answered by Mico https://tex.stackexchange.com/landing/r/digest?cta=user&id=5001 Score of 0
9.63.3.3 Problem with tkzLabelX in tkz-euclide : not found

https://tex.stackexchange.com/landing/r/digest?cta=question&id=696489

Trying to compile my own tex file (which worked before), the tkzLabelX is not found anymore. So, I tried in the following simple example. 
\documentclass[border=3.14mm]{standalone} 
\usepackage{tkz-... 
[tkz-euclide]
 
asked by nathalie rittemard https://tex.stackexchange.com/landing/r/digest?cta=user&id=299832 Score of 1
answered by Thruston https://tex.stackexchange.com/landing/r/digest?cta=user&id=15036 Score of 0