Write up answers to the following questions. You may handwrite your answers (please be neat!) or type them. Please upload your solution to Gradescope. If you hand write your answers, you can scan your solution (there are scanners in every library) or take quality photos of each page of your solution.
Complete Exercise 4.3 parts 1-5, answering the queries in relational algebra. (You do not need to answer them using calculus.)