solve these two questions, from these tables

3) Express the following queries in Relational Algebra making sure that your queries always work even if the contents of the corresponding relations change: 3.1 Find the employee first name, last name, and salary of all male employees. (2 points) EMPLOYEE Minit B Dno Fname John Franklin Alicia Jennifer 5 5 >1740 4 Lname San Bdate Address Sex Salary Super_san Smith 123456789 1965-01-09 731 Fondren, Houston, TX M 30000 333445555 Wong 333445555 1955-12-08 638 Voss, Houston, TX M 40000 888665555 Zelaya 999887777 1968-01-19 3321 Castle, Spring. TX F 25000 987654321 Wallace 987654321 1941-06-20 291 Berry, Bellaire, TX 43000 888665555 Narayan 666884444 1962-09-15 975 Fire Oak, Humble, TX M 38000 333445555 English 453453453 1972-07-31 5631 Rice, Houston, TX F 25000 333445555 Jabbar 987987987 1969-03-29 980 Dallas, Houston, TX M 25000 987654321 Borg 888665555 1937-11-10450 Stone, Houston, TX M 55000 NULL A 5 Ramesh Joyce Ahmad V 5 4 James E 1 DEPARTMENT DEPT LOCATIONS 3.2 Find the first name and last name of all employees who have no dependents (3 points) EMPLOYEE Sex Alle T 1 S eye WOON M Ald B. 201FM000 1 TK Mapo CT 201 F co TO TM ST 000 Duterte TOODE 600 4 DEPENDENT Ess 333445558 333445566 333445656 987654321 123456789 123456789 123456700 v E 14 re Dependent name Alice Theodore Joy Abner Michael Alice Elizabeth Bdate 1980-04-05 1983-10-26 1958-06-03 1942-02-28 1988-01-04 1988-12-30 1967-05-05 Relationship Daughter Son Spouse Spouse Son Daughter Spouse M M ETMENT er innan F F