All would be. Think about when you go to gym, your pushups, situps, runs, vsit etc. are always different timings and such from the boys.
Not so much think PE class is just another class and I use it as a study just like hang with my boys and play basketball for a hour I make my brain get loose and not think about anything
Your grades should not be impacted at all just stay on task in your real classes though
It depends of the country and the population of the region, but i'd say 10 years, so ''a.''
