Answer:
A.) True
Explanation:
I wouldn't say typical but a puertorriqueño is a person living in Puerto Rico, or a citizen of Puerto Rico.
D. It makes sense to what you're asking
“I am from America and I am 15 years. Can you try to guess my gender?”
I’m assuming theres more information to answer this question. I hope this helps though.
It would be, ¿Cuántos años tienes?
The tu form of tener is tienes