For part A, the majority of dots circled are what's called a cluster. The one point out by itself is called an outlier. As for part B, it seems that as the hours of computer games played go down, their test scores go up.
hope it helps.
For this case we have to:
"two to the third power" is equivalent to the algebraic expression: 
Therefore, we can rewrite the expression given as:

Thus, the value of the initial expression is: 4
Answer:

Its all about process of elimination. Answer C