Ustedes means you all. if it was one teacher I would use usted because it is the formal version of you, tu
Answer:
I do not know what you are trying to say it's either your asking a question or just telling us some facts.
Explanation:
La importancia del ejercicio luego de cualquier evento cardiovascular no se discute hoy en día. Sin embargo, existen importantes consideraciones que se deben observar en cada caso.
C it’s estudies because the other ones don’t make sense
