I need help can someone help me

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

An object in geometry with no width, length or height is a(n):

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons