Answer:
7 - n
Step-by-step explanation:
Hello,
We can not divide by 0.
==> x+4.5≠0
==>x≠-4.5
dom f=R\{4.5}
108 kilometers is 108,000 meters
108,000 ÷ 60 = 1800 meters per minute
1800 ÷ 60 = 30
It is the average distance between each data value and the mean<span>.</span>
