Answer:
73.5
Step-by-step explanation:
To find the mean, sum the data and divide by the amount of data
mean = 
=
= 73.5
Answer:
$21
Step-by-step explanation:
This can be easily solved by fraction 400/24=350/x
x=$21
The answer is D. 2x - 4/x^2- 4
It's not reasonable to give him 4 gallons because that's way too much for a dog bowl.