Zach throws a ball upward so that it follows the equation y = -16.1+ 64.3 + 5 where y is the height of the ball and x is time.
How many seconds will it take for the ball to hit the ground?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

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