Here are the answers to your questions:
Question 1
How do you tell someone that you go to the swimming pool on Mondays in Spanish?
Answer:
• Los lunes voy a la piscina.
Question 2
How would you tell someone that on Tuesdays and Fridays after class, you go to the beach in Spanish?
Answer:
Los martes y viernes después de clases, voy a la playa.
Question 3
What is the best place to go if you want to get away from a hectic city and enjoy the peace and quiet of nature?
Answer:
el campo
Question 4
Which two days make up los fines de semana?
Answer:
sábado y domingo
Let me know if you need any more help!