Database question: Answers needs to be in Relational Algebra. Thank you! will give you big thumbs up!

Questions. Needs to be in RELATIONAL ALGEBRA

ERD Diagrm relationship Since LevelHistory Swimmer Caretaker Commitment Swimmer ld FName LName StartDate her caretaker Comment CommitTime FName by-1 Rescinded RescindTime CarriedOut Comment LName | EMail Main caretakerPhone EMail Join Time of currentLevel - RelationshipSince commentBy on of Level V Task Partipicatior Coach Name Description nComment Committed Num_V CommitTime Participatedcosame | LName Phone EMail Result Comment V.TaskList of Required Description Penalty PenaltyAmt on coachinCharge of Event Meet Venue ven Title StartTime EndTime Title Date StartTime EndTime Venueld Address City State ZipCode Phone Name ERD Diagrm relationship Since LevelHistory Swimmer Caretaker Commitment Swimmer ld FName LName StartDate her caretaker Comment CommitTime FName by-1 Rescinded RescindTime CarriedOut Comment LName | EMail Main caretakerPhone EMail Join Time of currentLevel - RelationshipSince commentBy on of Level V Task Partipicatior Coach Name Description nComment Committed Num_V CommitTime Participatedcosame | LName Phone EMail Result Comment V.TaskList of Required Description Penalty PenaltyAmt on coachinCharge of Event Meet Venue ven Title StartTime EndTime Title Date StartTime EndTime Venueld Address City State ZipCode Phone Name