7.77.3 Can you answer these questions?

7.77.3.1 Beamer: How do I remove the gap/margin on top of slides?
7.77.3.2 Move smartdiagram vertically in Latex Beamer
7.77.3.3 Can we use random variables in \polylongdiv
7.77.3.1 Beamer: How do I remove the gap/margin on top of slides?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624953

I have the following beamer slide: 
\documentclass[10pt]{beamer} 
\usetheme{metropolis} 
\begin{document} 
\begin{frame}{Pic test} 
\begin{minipage}{0.5\textwidth} 
\begin{itemize} 
\item don't ... 
[beamer] [beamer-metropolis]
 
asked by Philipp https://tex.stackexchange.com/landing/r/digest?cta=user&id=257682 1 vote
7.77.3.2 Move smartdiagram vertically in Latex Beamer

https://tex.stackexchange.com/landing/r/digest?cta=question&id=625169

Good afternoon: 
As shown below, I've created a smartdiagram (package "smartdiagram") in my presentation and subsequently scaled it down a 55%. 
\scalebox{0.55}{ 
\smartdiagram[bubble ... 
[beamer] [smartdiagram] [scale]
 
asked by Dastru https://tex.stackexchange.com/landing/r/digest?cta=user&id=250032 1 vote
7.77.3.3 Can we use random variables in \polylongdiv

https://tex.stackexchange.com/landing/r/digest?cta=question&id=624821

I would like to randomly generate polynomials before using \polylongdiv for long division. I tried the code below to make one of the coefficients of the divisor random but the compilation takes ... 
[pgfmath] [polynom]
 
asked by Chilote https://tex.stackexchange.com/landing/r/digest?cta=user&id=81269 1 vote