<span>Periodismo de investigación
</span>
Mi hermano esta estudiando
Valentina y Ana son Guatemalecas
La cocina de mi amiga es desordenada
El comedor de mis abuelos es grande
El espejo esta roto
He (Which should be El, but anyway) visto is not correct, because you are talking about someone else. Yo Tengo is correct, because you are staying that you have seen.
