Answer:
Somewhat nervous around other people.
Explanation:
If you continue to read the book, he admits to being a socially awkward and quiet person to Anne when they talk with eachother.
She is incorrect because to find the volume you need to multiply the length, width and height but she multiplied 2 numbers which is how you find the area of a shape. So to find the correct answer you need to find the value of one side and then cube it (times it by its self 3 times) since it’s a cube