Another joke I don't get. What do math problems have to do with this?

???????

I dont understand monster coorperation or what /s

Petah!!! I don't get it

Peetah please

I don’t get it.

Question- what is the picture in this meme?

I've seen this photo circling around the internet and I want to know what it's from.

Peter, why does he say law of cosines?

Peter help!

What does this mean?

Hair Salon.