Solve for the unknown values.

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

Witch sequence shows a pattern where each term is 1.5 times the previous term

Which is the standard form for this number? (2 x 10) + (5 x 1) + (8 x 1 10,000 )