Answer:
1. Radio City Rockettes is a proper noun, and Francesca is a common noun.
2. She is a common noun and them.
3. Her is a common noun and Rockette is a proper noun.
4. Radio City Music Hall is a proper noun, and Francesca´s mother is a common noun.
5-17. Sarah, Her, She, They, Bert´s Studio
I tried Hope this helped, I don´t know if some may be wrong but I tried, Nouns and stuff like that were never really my favorite or strong topic/subject.