Can you please help me? I really need help

Answer:
1.{a,b,c,d,e,f}
2.{b,e}
3.Ø
4.{e}
5.{a,c,e}
6.{a,b,c,e}
7.Ø
8.{a,c}
9.{d,f}
10.{a,b,c,e}
Step-by-step explanation:
Ø means None