Relational algebra for given tables and questions

Location Employee Empld Fname Lname Gender Mgrld Locld EmailAddress Locld LocName Cit State 1CoffeeTreeSeattleWA EvergreenTacoma WA Angelview Los AngelesCA 4PleasentvilleSan DiegoCA DenverCO 106 PetrinaTillmanF NULL 2 106@company.com 112Alec WilhoitM 1061 112@company.com 117LourieJohns 119.Florencio . Chaves M | 112. 5119@company.com 122 , Tanya Vanasse. F | 112 5122@company.com 127 | Chana Thorman | F | 112. 5127@company.com 139 Geoffrey Sjorgren M 1173 139@company.com 140 Gerardo BorregoM 1173 140@company.com 142 | Blain Wishon. M | 117. 2142@company.com 150Danita LansfordF 1222 150@company.com 2 F 1063 117@company.com Mile High , , TrainingStatus Classld Status 106 106 106 112 112 1005 COMPLETED 1002 REGISTERED 1003 COMPLETED 1003 REGISTERED 1001 COMPLETED 1001 COMPLETED 1002 COMPLETED 1001 REGISTERED 1002 REGISTERED 1003 COMPLETED 1004 REGISTERED 1006 REGISTERED 1003 COMPLETED 1005 REGISTERED 1007 COMPLETED Class Classld Cname Instructorld Locld TotHours 119 119 112 5 1001 Customer Service 101 1002 1003Conflict Management 1004Building Relationships 1005Management Essentials112 1006 1007 Finance Systems 20 10 25 40 127 127 127 139 139 142 142 150 3 Office Relaxation How to Succeed 3 3 112 10