Most cats have nine lives -- my cat had ninety.
the cat was as quiet as a ninja
the cat was a million years old
No.
Exaggeration means claiming something is greater than it really is. For example, if you said "my cat is as big as a house" or "I can run faster than the speed of light," you would be exaggerating.
Hyperbole
There are three examples of hyperbole on page 16
My sister uses so much makeup,. .... he only has cat friends!"
A hyperbole is an exaggeration, but more extreme. "I'm so hungry, I could eat a horse" is an example of a hyperbole.
No.
Doodle was just about the craziest brother is an example of hyperbole in the scarlet ibis
A Hyperbole is a literary device used to provide emphasis through exaggeration, so yes, that was an example of hyperbole.
Hyperbole or exaggeration