You have to say what or where point B and C is for me to answer it
        
                    
             
        
        
        
25 million 
number of bacteria doubles every minute 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
(-8a - 1)- (-7a + 5) = -8a - 1 - 7a*(-1) + 5*(-1) { (-1) is disturbed to all the terms in (-7a +5)}
                          = -8a - 1 + 7a - 5
                          = -8a + 7a -1 - 5 {Combine like terms}
                          = -a - 6
 
        
             
        
        
        
Answer:
20
Step-by-step explanation:
 
        
                    
             
        
        
        
A I think I am not 100% right