Which is your direction?
What is your birthday?
Cual es tu telefono = What is your telephone number
its writen as: cual es tu numero. it means what is your number
Cual es el poblacion de tu pais means What is the population of your country
cual es tu preferida, literally, means (as close as possible: which girl do you prefer? Cual prefieres (sp) is closer to: which do you prefer.
What is your phone number?
It's a question... What's your sin?
cual es tu apellido means what is your surname so you would with respond with your last name.
cual es tu means 'what is your....' (informal)cual es su means 'what is your....' (formal)
"Cual es tu herencia" is Spanish for "What is your heritage?" It typically refers to one's cultural or familial background, including traditions, customs, and ancestry.
It's full of spelling errors. It might mean "what is your question, gringo" (if you change it to cual es tu pregunta, gringo)
Cual es tu nacionalidad means "what is your nationality". So you would reply with your nationality ("Mi nacionalidad es....)