HELP WITH ALL PLZ

Choose the correct answer. the phrase "por cierto" means: by certain for sure over there for now does anyone know the answer to this question?

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.

Ive been trying to figure this out for a week now , you basically explain how to get to each place (bottom right) starting from starting point , pls i need 1-10 by monday