That's correct if you are referring to an condition
<h3>3. Which of the following is <u>not true</u> about the madrina in a traditional Spanish wedding?</h3>
Answer : She gives a speech about the couple. <em>Not true</em>
<h3>4. Which of the following means "fireworks" in Spanish?</h3>
Answer 4: los fuegos artificiales.

Answer:
estás
Explanation:
From this point of view, Marco is asking a person directly, so he would use estas, instead of any other form of conjugation.
Secondly, eres is used to describe a permanent trait about a person; the way that Luisa is feeling, is only temporary, therefore you should not use Eres.
Answer:
There are many Spanish speaking countries in the world, as Spanish is the official language of the following 20 countries, as well as Puerto Rico: Argentina, Bolivia, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Equatorial Guinea, Guatemala, Honduras, Mexico, Nicaragua, Panama, Paraguay etc
Explanation: