Chapter 5, Problem 19MC

I need help in explaining how I can demonstrate how the Laplace & Inverse transformations behaves in MATLAB transformation (ex: LIke in graph or something else)

You have made the Web solution with Node.js. please let me know what problems and benefits I would experience while making the Web solution here, as compared to any other Web solution you have developed in the past. what problems and benefits/things to keep in mind as someone just learning

PHP is the server-side scripting language. MySQL is used with PHP to store all the data. EXPLAIN in details how to install and run the PHP/MySQL on your computer. List the issues and challenges I may encounter while making this set-up?  why I asked: I currently have issues logging into http://localhost/phpmyadmin/ and I tried using the command prompt in administrator to reset the password but I got the error LOCALHOST PORT not found.