Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Addresses (line_1 VARCHAR, address_id VARCHAR)
TABLE: CREATE TABLE Student_Addresses (monthly_rental INTEGER, address_id VARCHAR)

### Question ###
What are the line 1 and average monthly rentals of all student addresses?

### Accurate SQL ###

SELECT T1.line_1, AVG(T2.monthly_rental) FROM Addresses AS T1 JOIN Student_Addresses AS T2 ON T1.address_id = T2.address_id GROUP BY T2.address_id