sooooooo unit 3 lesson 8, can someone pls give a good answer to the option A?

Possibly, if we knew what "option A" was.

its for Conexus

math is dumb this when will i ever use this

Certainly! To provide a good answer to option A of unit 3 lesson 8, I would need more specific information about what option A refers to. If you can provide the question or some context, I would be happy to assist and explain how to arrive at the answer.