Question: Write three more complex queries to retrieve data from these tables. Queries must include multiple conditions and incorporate at least one join, one rename, and

Write three more complex queries to retrieve data from these tables. Queries must include multiple conditions and incorporate at least one join, one rename, and one aggregate function operations. All queries must be different. Provide a clear explanation of what each query is intended to do.

PLEASE WRITE IN RELATIONAL ALGEBRA FORM NOT SQL FORMAT AND MAKE SURE IT INCLUDE ALL THE REQUIREMENTS.

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