What is the formula for calculating VOLUME of a regular object?

i don't know this answer and this is the only thing on here and i need this answer!!!!!!!!!!!!!!!

i don't know this answer and this is the only thing on here and i need this answer!!!!!!!!!!!!!!!

OH MY GOSH I KNOW I NEED THIS FOR HOMEWORK AND WHO PAYS ATTENTION IN CLASS? I HAVE ABSOLUTLY KNOW CLUE WHAT THIS MEANS? :)

We are going to check it tomarrow so im just gonna copy! Thanks nobody helped you are all so nice!! :( I figured it out on my own to COPY, always the result to everything, bye!

I figured it out! I figured it out! It's mass/volume let me know if 'm right cause im the kind of person that can be so confident in my answer and i m not even close to the right one :) !!!