What is the mean of the data set? 12, 17, 16, 10, 20, 13, 14, 14, 12, 12, 19, 18 a.14.75 b.15.75 c.13.50 d.14.00 need answer asa 
                cricket20 [7]             
         
        
If you add them all up and divide it with how many different numbers you have then you get 13.5 (C)
        
             
        
        
        
Answer:
Perimeter is 38.8 units and approximately 39 units
Step-by-step explanation:
Given: Graph
To find: perimeter of the polygon
Solution:
Distance between points  is given by
 is given by 
As per the graph,
point P is (-2,11)
point Q is (-4,6)
point R is (2,0)
point S is (1,7)
point T is (8,7)

Perimeter refers to sum of lengths of all the sides.
Perimeter = 
Or approximately 39 units
 
        
             
        
        
        
Answer:12,16
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-8,-3,0,5,8
Step-by-step explanation:
Number the the negatives from greatest to least first and continue to number the positives from least to greatest.