Answer:
addition of 254 to both side
Answer:
The maximum height of the volleyball is 12.25 feet.
Step-by-step explanation:
The height of the volleyball, h(t), is modeled by this equation, where t represents the time, in seconds, after that ball was set :
....(1)
The volleyball reaches its maximum height after 0.625 seconds.
For maximum height,
Put 
Now put t = 0.625 in equation (1)

So, the maximum height of the volleyball is 12.25 feet.
Sarah spent $1,083 because $57*38=$2,166 and $2,166/2=$1083
speed =distance traveled over time taveled... the ansewr will be in kilometres per hour