The height of a falling acorn can be represented by h(t) = -5t^2 + 20 where h(t) is the height of the acorn in meters after t seconds. A) Write an equation to find the time it will take for the acorn to hit the ground.

Megan and desmond each add the same amount of water to their aquarium megan makes 5 ml of chemical solution with every gallon of water for her aquarium desmond mixed 8 ml of chemical solution for every 2 gallon of the water for his aquarium.