How are algebraic expressions created from words or phrases?

Read and choose the correct verb conjugation to complete the sentence.la señora garcía y usted son científicos. ¿qué ustedes?   estudiamos  estudia  estudiáis  estudian 

I'm antonio. i'm 15 years old. in my country there is a law that reminds me that < < there is a law that reminds me that > > i have to sweep and clean the house every week. i have to study every day. my friend laura is 12 years old; she has to wash dishes after dinner on tuesdays and thursdays, and she has to scrub the floor every < < each > > week. she goes to school with me < < with me > > . based on what you learned from the lesson , which country are antonio and laura describing? argentina brazil spain uses

Correct answer only ! ¿quién cerró la puerta que (estar) abierta?