A ball is thrown from a height of 61 meters with an initial downward velocity of 6m/s. The ball's height after seconds is given by the following. h=61-6t5t^2. How long after the ball is thrown does it hit the ground?

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