Spanish language Q&A Forum

Not really a question but this lesson could be better if in included the three rules for plural

1# ends in vowel add s

2# ends in consonant add es

3# ends in z change to c and add es.

as far as I know this is correct

When would be appropriate to use formal and informal second person?

For context, I'm planning to speak mostly with my Mexican family members, many that I'll be meeting for the first time or for the first time in many years. Most of them are older than me (I have one younger brother who speaks mostly Spanish). Would it be better to speak formally to the older family members, or informally because they're family?

Would you start formally with strangers (esp. those who are older) and then at some point be able to drop formality as you become closer to people, or as they express to you that it's okay (similar to Korean and Japanese)?

"Natillas Danone, listas para gustar" o quiza haya otra versión(?)

https://youtu.be/gDv_qnmnOF4?si=KTLr_-I9w46UbYLO

I've seen both qué and cuánto in exclamatory sentences. I understand when it's clearly the number of something ( ¡Cuántos gatos! ) but when it's something less countable (e.g. "¡Qué orgulloso!" or "¡Cuánto orgulloso!" how do you tell which one to use?

Isn't there an exception for locations of events? For example in: "¿Dónde es la reunión?"

Why is there so much inconsistency with questions of this type? "Son" was marked incorrect an an answer though it translates to 'The product in this store are plastic" yet a very similar question today of "De qué _______ esa escultura?" has "es" as an allowed alternate even though escultura is a feminine noun. Regarding this first question, is there a significant difference between (being plastic) and (being made of plastic) that we're supposed to know?