Answer: Cuestan.
Explanation: Cuanto means How much in english, so the question is asking how much those books are going to cost. Whenever you see a Cuanto in a question like that, assume it's talking about a number of something, or money. So Cuestan means cost, in the terms of "How much does this item cost?".
1-3 is no unless they move somewhre where they do celebrate, like the usa and they just celebrate it as the people around them do. 4 most spanish speaking culture celebrate Christmas myself included. I'm just thankful to be alive for another year is like a second thanksgiving.
Answer:
Yo lleve mis papeles a la clase
Gustavo y yo terminamos nuestra traeas
Tu comprastes tu calculadora en la libreria
Ustedes halban con su abulea?
Ana estudia para su examenes
I hope this helps. I'm not sure if you needed a double check but I corrected some improper grammar.
W is only use to pronounce words from another language.