“¿Tus amigas fueron a la Quinceañera de Lupe la semana pasada?”
“No, ella no invitó a mis amigas”.
Fueron/invitó
Well, it does seem correct - the tenses are used correctly, the articles agree with the pronouns/nouns in the sentence, so I think it is good.
There is only one thing, but I don't know if that is a typo or what - there should be a period between limpio and <span>él because those are two separate sentences. </span>
Answer: If you want it in English: ¿como se puede rescatar la información mas representativa de un texto? means.......
Explanation: How can the most representative information of a text be rescued?