Answer:
97.5
Brainliest answer pls
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x = 
Step-by-step explanation:
Given
4x + 6 = 11 ( subtract 6 from both sides )
4x = 5 ( divide both sides by 4 )
x =  = 1.25
 = 1.25
 
        
                    
             
        
        
        
Answer:
For mean it's the average. You add all three numbers (13, 13 , 10), then you divide it by three since their are three numbers. Average would be 12.
Hope this helps (:
 
        
             
        
        
        
Answer:
159cm
Step-by-step explanation:
Sum of all sides of triangles is 180
so, 15+6=21
then 180-21=159
 
        
             
        
        
        
It is d 1/3
That I saw the answer for your question