Literal translation: You are so gross.
You will know if you are cool
Comment es-tu si belle que ça ? :How are you doing to be that beautiful?
Est-ce que tu means 'Do you . . . ?'
"Si tu quieres" means "if you want" in Spanish.
It is "do you....?" Do you like chocolate ? Est-ce que tu aimes le chocolat ?
"tu es qui" means who are you.
Where is the bakery? = Ou est la boulangerie? or Ou se trouve la boulangerie? Is the bakery open? = La boulangerie, est-elle ouverte? or Est-ce que la boulangerie est ouverte? Do you know if the bakery is open? = (Formal) Savez-vous si la boulangerie est ouverte? or Est-ce que vous savez si la boulangerie est ouverte? (Informal) Sais-tu si la boulangerie est ouverte? or Est-ce que tu sais si la boulangerie est ouverte?
Est-ce que tu aimes ... means "Do you like ..." in English.
si y tu
It means: If not, you are dead!!! It can also translate to: "If not, you died", or "If not, you have died"
Are you french
It's badly spelt but perhaps you mean - est-ce que tu va faire............? - are you going to do.......?