Answer:70
Step-by-step explanation:
1
42
+
28
———
70
 
        
             
        
        
        
Answer:
102.96
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3 cm base, 6 cm height
Step-by-step explanation:
base is already labeled and the height is as well
 
        
                    
             
        
        
        
3y+21+8y
11y+21 is the answer
        
                    
             
        
        
        
If a set of exam scores forms a symmetrical distribution, then the student mean scores is the median and the mode too.
<h3>What is a Symmetrical distribution?</h3>
A symmetrical distribution by definition is the situation which occurs when the values of variables appear at regular frequencies and is characterized by the mean, median, and mode all occuring at the same point in most cases. 
Graphically, symmetrical distributions may appear as a normal distribution (i.e., bell curve).
Read more on Symmetrical distribution;
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