Answer: The answer is 3
Explanation: A semicolon is used when an author could've chosen to end their sentence, but chose not to. This is the case in number 3. Hope I helped!
Answer: The last one
Explanation:
It is the one that says
Nadege slowly shuffled up to the front of the classroom. Hiding her eyes, she presented her research paper on her mother’s homeland. She showed her class blurry images of her grandmother’s neighborhood and dull pictures of her favorite foods.