Answer:
She's giving you advice at the beginning so as you read along you focus on that and it changes your perspective on the characters, setting, or what's happening in the story.
Step-by-step explanation:
22.4 is the correct ansewer try it on a calculater
Vcyl = Vcone
pi×x^2×y = 1/3×pi×(3x)^2 (h)
pi's cancel--> x^2•y = 3x^2 (h)
h = y/3
