2.17.3 Can you answer these questions?

2.17.3.1 How to link Questions to Answers - Hyperlink and hypertarget - Multiple chapters
2.17.3.2 Equations not showing
2.17.3.3 The error of ' ! I can't find file `tikzlibraryarrows.meta.code.tex'.'

Can you answer these?

2.17.3.1 How to link Questions to Answers - Hyperlink and hypertarget - Multiple chapters

http://tex.stackexchange.com/questions/307985/how-to-link-questions-to-answers-hyperlink-and-hypertarget-multiple-chapters

For a Question bank, which is a pdf-only CC edition, I defined hyperlinks and hypertargets as explained in Adding another answer hyperlinked to the question itself. 
To typeset more chapters as  ...
 
- asked by Rama Krishna Majety 3votes
2.17.3.2 Equations not showing

http://tex.stackexchange.com/questions/307709/equations-not-showing

\documentclass{article} 
\usepackage{amsmath} 
\begin{document} 
\begin{equation*} 
f(x) = x^2 
\end{equation*} 
\end{document} 
When I type this in MikTex I always get an error and cannot see the  ...
 
- asked by Rohan Goswami 3votes
2.17.3.3 The error of ' ! I can't find file `tikzlibraryarrows.meta.code.tex'.'

http://tex.stackexchange.com/questions/307933/the-error-of-i-cant-find-file-tikzlibraryarrows-meta-code-tex

I want to draw some 3D cubes. I found a useful script on how to draw parallelepiped and cube with latex?. 
The part of code is as follows, 
\documentclass[border=5pt, multi, tikz]{standalone} 
...
 
- asked by Vivian 2votes