Depending on how big the center is, I would say 15.
I hope this helped!
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
Answer:
See attachment
Step-by-step explanation:
The given inequality is 
By the definition of the absolute value function, we obtain the compound inequality.

When we simplify we get:

The graph for the solution set is shown in the attachment
Answer:
The leverage of an observation is determined by how far the values of the independent variables are from their means.