19.99+0.21x=52.54
0.21x=32.55
x=155
Mr. Sidney drove 155 miles
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Answer:
69
Step-by-step explanation:
Its $36 if it is only for his three roommates
and
$27 if it is only for his three roommates w/ Jason
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.