Answer:
The answer is C
Step-by-step explanation:
Because that's the answer
 
        
                    
             
        
        
        
total of ages now is 67 + 4 + 4 = 75 
S=shelly
M= Michelle
Michelle is 3 yrs younger than Shelly so use S-3
S +M = 75
replace M with S-3 to get:
S +S-3=75
2S=78
s=39
So shelly is 39 
Michelle is 3 years younger = 39-3 = 36
 
        
                    
             
        
        
        
The answer is 
27/5 = 5 2/5 = 5.4
        
                    
             
        
        
        
Answer:
-5, -8, -11
Step-by-step explanation:
Common difference:

 
        
                    
             
        
        
        
C . 250 cm^2 
cause its the same