The answer is 15.
17^2-8^2=225
sr of 225= 15
:))
The answer is obtuse triangle
Answer:
The final mean is higher
Step-by-step explanation:
The mean of all the scores = 
The mean of the scores with the 60 dropped = 
The final mean is higher
That will always happen when you drop the lowest score. I worked it out for you so that you would see that it happened in your case.