Ineed the answer for this because i'm stuck and it's due tomorrow . #77

Find the values of y: 3y^3(y^2+ 2/3y)=0

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.