What is the formal singular form of "you" in Spanish?

If you are speaking to an elderly couple you have just met, which pronoun should you use?

Which Spanish pronoun would you use when addressing María y Lupe from México?

When greeting a person your are familiar with in Spanish, which of the following is an appropriate way to ask how they are feeling?

How do you say "hello" in Spanish?

How do you say "goodbye" in Spanish?

Hola Sra. Gomez, ?Como ________?

How do you ask someone's name?

Which one would be a correct response to "?Como te llamas?" ?

Which would be a correct answer for "?Como se escribe Maria?" ?

Which can be a greeting used in the morning?

Which phrase can be used as both a greeting AND a farewell?

Which greeting is used from around noon to 5pm?

If you want to say "See you later," which farewell should you use?

When leaving school, you want to say "see you tomorrow" to your friend. What do you say?

You want to say see you soon to your grandma, what do you say?

Hola Sr. y Sra. Uribe, ?Como ________________?

Which is an appropriate response to, "?Como estas tu?

What are cognates?