The translation for that sentence is: Who is the teacher? So you answer it with a name. Since it is a teacher you must use Mr., Ms., or Mrs. in this case, maestra is feminine so you'll need to use Señora(Mrs.) or Señorita(Ms.).
The answer is in fact buscan, because there are two subjects (alejandro and "you")
At what kind of events would you be likely to see animadores?
En deportivos
Answer:
Hi, there your answer will be
Venga
Explanation: