What’s the subject pronoun for felipe and the correct form ser

Based on the text, what is a similarity among the schools in colombia and spain? private schools require uniforms. directors decide the school attire. there are three types of school uniforms. girls can choose to wear pants or skirts.

If the pants costs $233 how would you respond to the question ¿cuánto cuestan los pantalones?

Iam going to see my friends at the stadium. a. voy a ver a mis amigos en el estadio. b. voy a ver mis amigos en el estadio. c. voy ver a mis amigos en el estadio. d. voy a veo a mis amigos en el estadio.