Answer:
The young girl was remarkably self-confident when she was giving her speech.
Explanation:
Hyphens are used to connect two words and result in a complete idea. They are used to create compound modifiers, which are adjectives on a sentence always placed before the noun.
Hyphens are also used for compound words such as brother-in-law or twenty-year-old.
Examples of hyphens in compounds:
Sun-kissed is a compound modifier that indicates something is warm.
Daughter-in-law is a compound word that refers to the wife of the mother's son.