Radius into radius .You should know half of diameter is radius.
answer:X=k/n-3
explain:move all terms to the left side and set equal to zero. then set each factor equ to zero!
I hope this helps
Answer: 6
Step-by-step explanation:
6+6=12 12+6=18 thus 6 times 3 is 18
Solution: We are given below data:

Now to find the mean deviation, we use the below formula:

Where:
represents the summation
X, represents the observation.
represents the mean
N represents the number of observation.


Therefore, the mean deviation is:

= 4
Number 8 would be B. Number 9 would be A. Hope this helps! Mark brainliest? :))