whats the correct spanish subject pronoun for the english subject pronoun (you all )

Which verb phrase correctly completes this sentence? ana y julia en el mar. a. están nadando b. estamos nadando c. estás nadando d. estoy nadando

Completa la oración con la voz pasiva con se. used cars for sale. carros usados. (there are no option choices, write the answer in the passive tense, don't use google translate)

12 á á é in n ó ó ú ú o choose the answer that best relates to the class or field of study listed below. el francés a. el arte b. la informática c. las ciencias d. las lenguas select the best answer from the choices provided