Cryptography ( NumberTheoryFile, Multiplicative inverseFile and Public Key)

So basically I need you for almost 1 hour live with me in chat. I will have an online quiz and I will be sending you some questions related to Cryptography and I need you to write the answers and send it to me as soon as you finish it. please let me know if you are available on Nov 08 2021 at 5:50 pm Time zone in Montreal, QC (GMT-4). I have attached some examples of the question as later on the quiz will be similar to the examples.