Which parts of the sentences are metaphors?

like if I was saying "oh this homework is a piece of cake" it would be a metaphor because I'm talking about something that is same as "this is easy"

so how to use a metaphor is by saying something that is using the same as the action or word your talking about and then turn it into a phrase like it's raining rocks like it's raining hard and there is a wall in front of my brain like your confused

in what passage i'm sorry but i don't see anything there.

a public planner needs to find out which of the following about an upcoming project impacting their town or area? ⊕⇒c. how the government will make money

explanation:

hope this !