the answer will be "tú eres de Miami" because "eres" means are, so it will be like saying you are from Miami. To use "estás" makes no sense since it would be like saying you are Miami.
Desvestirme is the right one :)
The correct answer is the third one. "HAY muchos problemas en el mundo."
Answer:
Esta bueno el mito de la calabaza
Explanation: