"Por qué estudias español" means "Why do you study Spanish" in English.
It is Spanish for "how often do you study"
cuales is the plural of "which", so the translation would be "which ones".
Which (plural).
Estudias. = You study.
It means "you study your Spanish in school".
It means "I learn a lot in Spanish class."
"Qué estudias" translates to "what do you study" in English. It is a question asking about someone's field of study or academic focus.
It means "What are the seasons of the year?" in Spanish.
"Las materias" translates to "subjects" in English.
'Donde Estudias?' means 'Where do you study?'
"What are some phrases that are said in Spanish class?"