the rectangle is but the line is not because the line has to have another side !
Answer:

Step-by-step explanation:
Given

-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:

Calculating 




For a 90% confidence level, the z-score is 1.65. So:

Calculating the standard deviation 

So:


So:


Answer:
search up-area of circle formula and circumference of a circle formula
Step-by-step explanation:
Answer:
below
Step-by-step explanation:
that is the procedure above