Hello! :) Please help me solve this + explain your answer :)

I will indeed give you Brainlst <3

Match each polynomial with its factorization.

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.