It means, "What are the names of your bothers?"
Anoche carlos y erica van a estudiar mucho?
a night carlos and erica are going to study alot ?
- adonde van UDS. esta noche? ___estoy___ a la clase de arte
7. Esta is used for talking about the location of one thing and estan is used for more than one. They are both used when talking about whereabouts but about a different amount of things. Answer is A
8. Likely D using process of elimination. Only one that really makes sense.
9. May be incorrect, but I would say C makes the most sense in this context.