Answer:
Mean= 
         =13.28 ≈13
For median arrange in ascending or descending order. i am arranging in ascending order
9,11,11,13,15,17,17
cancel from left and right until one number is left
 median=13
 
        
             
        
        
        
Eight goes into 45, 5 times so it would be 5 and 5/8.
        
             
        
        
        
The angle on one side of a straight line is 180°, so 40° + 60° + h = 180°. 
If you rearrange this you will get h = 180° - 60° - 40°, this will give you: h = 80°. 
Hope this helps
        
             
        
        
        
Answer:
s= -2
Step-by-step explanation: