The last one is rational because it is a terminating decimal.
Answer:
3.92699
Step-by-step explanation:
3.92699
Length of arc. Not sure what "in terms of pi means..."
Answer:
The slope of line is 0 given points (2,8)(7,8)
Step-by-step explanation:
We need to find slope of line given points (2,8),(7,8)
The formula used to find slope of line is: 
We are given:

Finding slope using formula:

So, the slope of line is 0
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