For this case we must solve the following equation:

We apply distributive property on the right side of the equation:

We subtract 6y on both sides of the equation:

We subtract 6 from both sides of the equation:

Dividing by 6 on both sides of the equation:

So, the result is 
Answer:

I think its B I`m not sure
The outlier is 84 and if you removed the outlier from the mean it would decrease.
Answer: 1/4 I think
Step-by-step explanation: