<span>Divide both sides by 4 to get



So we can pick n to be 3 or it can be less than 3
Three values we can pick are: n = 0, n = 1, n = 2
Or we could pick: n = 1, n = 2, n = 3
</span>
Answer:
For mean it's the average. You add all three numbers (13, 13 , 10), then you divide it by three since their are three numbers. Average would be 12.
Hope this helps (:
Answer: 10 1/2
Step-by-step explanation:
Answer:
the second and thrid one :)
Step-by-step explanation: