8x3y2-+3xy-4y3 which term Could be put in the blank to create a fully simplified polynomial written in standard form

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5