you have decided
¿Has decidido irte a Australia?
Have you decided to go to Australia?
¿Has decidido a quién vas a votar?
Have you decided who you're going to vote for?
¿Has decidido lo que quieres pedir?
Have you decided what you want to order?
¿Has decidido si vas o no vas a vender tu casa?
Have you decided whether you're going to sell your house or not?
¿Has decidido dónde vas a ir a estudiar al extranjero?
Have you decided where you’re going to study abroad?
¿Has decidido ya dónde ir de vacaciones?
Have you decided where to go on holiday yet?