the question is about relational algebra in course could database management system and I don't know how to answer it

11 - 231 -3- - Bb https://ms.kku.edu.sa/bbcswebdav/pid-3059123-dt-content-rid-18033359_1 courses/09_001_001_02_422_231-ISM-3_02_0... Activity 3: Consider the bank database of Figure 2.3. Give an expression in the relational algebra for each of the following queries: . Find the name of each branch located in "Chicago". Find the ID of each borrower who has a loan in branch "Downtown" Find each loan number with a loan amount greater than $10000. Find the ID of each depositor who has an account with a balance greater than $6000. Find the ID of each depositor who has an account with a balance greater than $6000 at the "Uptown" branch. . branch(branch name, branch city, assets) customer (ID, customer name, customer_street, customer city) loan (loan number, branch name, amount) borrower (ID, loan-number) account (account number, branch name, balance) depositor (ID, account number) Figure 2.3: Bank database