if you have a zero exponent, the number (or the base) equals 1
Answer:
26.5 units
Step-by-step explanation:
The height of the ball at any time t is given by :
...(1)
We need to find the maximum height of the ball.
For maximum height, put 
i.e.

Put t = 1.25 in equation (1) to find the maximum height.
So,

So, the maximum height reached by the ball is 26.5 units.
<span>The answer is 2 person. The relation for 2 persons is as following: 2 minutes = 2 gingerbread men. If those 2 persons want to make 400 gingerbread men, they will need x minutes. So: 2 minutes : 2 gingerbread men = x : 400 gingerbread men. x = 2 minutes * 400 gingerbread men : 2 gingerbread men = 400 minutes. In other words, 2 persons will make 400 gingerbread men in 400 minutes.</span>