Answer:
The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.
Explanation:
The ball will hit the ground when its height is equal to 0 meters, therefore using this value in the expression and solving for "t" will give us the correct solutions.

The ball will hit the ground in 1.33 s if no one touches it. The equation has 2 real solutions.