Answer:
femenine (or bothe)
singular
you use nuestro and nuestra to discribe the people you are with (our dog is in the park/ NUESTRO perro esta en el parque)
Explanation:
the other two I didnt understand what you where saying :/
hope this helps :D
C. Una monarquía parlamentaria
2. double digit and triple digit
La escuela is school in Spanish