Amultiplication problem that equals 0.05 or 0.75

What is coefficient of the term of degree of degree 5 in the polynomial below

Will give a: 122 b: 90 c: 48 d: 180

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