Question

what does \informal\ mean?
expensive and luxurious
official and serious
cheap and simple
casual and relaxed

Explanation:

The word "informal" means casual and not following strict rules or formalities. "Expensive and luxurious" refers to cost and opulence. "Official and serious" is the opposite of informal. "Cheap and simple" is about cost and simplicity. "Casual and relaxed" aligns with the meaning of informal.

Answer:

D. Casual and relaxed