Answer:y+2.9=11, 2y+1=17.2, 28.4-y=20.3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3.7 mL
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
   (c)  10 phones
Step-by-step explanation:
The mean is the sum divided by the number of contributors:
   (12 +10 +9 +5 +14 +10 +10)/7 = 70/7 = 10
The mean number of phones sold for the week was 10 phones.
 
        
             
        
        
        
Answer:
your answer will be B
Step-by-step explanation:
have a nice day/night !!!
 
        
                    
             
        
        
        
Answer:
54
Step-by-step explanation: