What is the set builder notation of:
1. {0,1,2,3,4,5,6}
2. {0,7,14,21,28,...}
3. { }
4. {2,4,8,16,32,64,...}
5. {a,e,o,n,t}
6. {5/2,5/4,5/8,5/16,5/32,...}
7. {a,e,i,o,u}
8. {acute, obtuse, right}
9. {hydrogen, oxygen}​