Question

you want to entertain someone with a joke about math. entertain means make something fun for someone. what should you write? why was the math book sad? because it had so many problems! people who study math are called mathematicians. math is useful because it helps people in their everyday lives.

Explanation:

The task is to find a math - related joke. The first option is a joke as it plays on the double - meaning of "problems" (math problems and emotional problems). The second and third options are statements about math and mathematicians, not jokes.

Answer:

Why was the math book sad? Because it had so many problems!