-6+3= -3
3/7+2/7=5/7
The answer is -3 5/7
Please mark as brainliest.
        
             
        
        
        
Answer:
The given expression   
 
Step-by-step explanation:
Here, the given expression is:  
Now, starting from the outer most bracket.
As we know :
 
and 
⇒ 

Hence, the given expression   
 
 
        
                    
             
        
        
        
Answer:
drone is 60km/h bird 40km/h
Step-by-step explanation:
 
        
             
        
        
        
He spent 27.7 repeating minutes of his class talking.
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
A=1
B=41
C=3