HELP choose the spanish subject pronoun that would replace the given subject

If you was to write an essay how can your teacher you write an outstanding essay?

The exchange rate is 156 pesos for 1 us dollar. it costs 10,218 pesos to check an extra piece of luggage on the plane. you have $65 us dollars. which of the scenarios below best reflects your ability to check your extra piece of luggage? a. whew! you have just enough! b. oh no, you will have to leave your extra piece of luggage behind! c. you have enough to check your extra piece of luggage and buy a coffee for the flight. d. if you can scramble to find some spare change in your pocket, you can check your extra piece of luggage.

No, no me duele el brazo. me duele el tobillo. se rompió. sé el hueso está roto.