Don’t even know this pleaseee help me asap

How would you express the following question in english? : ¿cuántos libros hay? a. there are so many books. c. how many books are there? b. how much are the book? d. are the books many?

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.

Iam going to see my friends at the stadium. a. voy a ver a mis amigos en el estadio. b. voy a ver mis amigos en el estadio. c. voy ver a mis amigos en el estadio. d. voy a veo a mis amigos en el estadio.