I believe the answer is Memoir. Informational text is any text (or more specifically literature) that is non fictional, or factual.
Answer:
Give the customer an estimated wait time.
Explanation:
Never say I don't know and never make up random things!!!
Answer:
Born: March 14, 1879. Ulm, Germany
Died: April 18, 1955. Princeton medical center, New Jersey.
Answer:
Something that is difficult to buy
