Answer:
22π in.
Step-by-step explanation:
circumference: 2 × π × r
=> 2 × π × 11 = 22π
A residual is a measure of how well a line fits an individual data point. Testing the two other points can really help to see how well the line fits.
4^4 is simply 4x4x4x4 and 4^7 is 4x4x4x4x4x4x4