Brainliest for correct answer given

Factor the polynomial expression x6 – x3 – 20

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

32a³b² 8ab² simplify the following expression.