Answer:
2.9 miles
Step-by-step explanation:
If you draw this as a diagram, you will see that it is a right angled triangle and the missing side is the hypotenuse (the longest side). To calculate this, you will need to use the right angle law:

check out the document below (sorry, it's a little bit blurry)
Answer: 8
Step-by-step explanation:
Given
Mean of the numbers is 8
If the ratio is 1:1:2:2:3:3
Suppose the numbers are 
Write the mean of the numbers

So, the numbers are 
As the total numbers are even, median is the sum of the middle values

Answer:
1.92 miles
Step-by-step explanation:
she had walked 10 miles so that is where you start
Monday she had walked 2.38 so you subtract that from her total
Tuesday she had walked 2.4 so you subtract that from your new total
Wednesday she had walked 3.3 and you subtract that from the new total also
Thursday she had not walked anything so your remaining total is the amount she had walked on Friday
Answer:
13.82 in.
Step-by-step explanation:
To find the circumference of a circle, you multiply the diameter by pi (
):

Rounded to the nearest tenth, 13.82301 is 13.82. Therefore, 13.82 is the answer.
I hope this helps!