Answer:
La joven es <u>amable</u>.(nice)
Two male teenagers talking
Explanation:
the conversation is:
- Hello Joseph
+ Hello, Oscar
- I'm 18 years old. How old are you, Joseph?
+ I am 15 years old
Joseph is 15 and Oscar is 18.
I don't think the sentence would make any sense if you would have even tried to put any "tu" in the it.
Answer:
Los turistas tienen mapa ........... This should be: Es su mapa.
Usted tiene cuadernos. ............. This should be: Son sus cuadernos.
Nosotros tenemos papelera ..........This should be: Es nuestra papelera.
Remember that the singular/plural conjugation must affect the possessive pronoun.