Answer: number one is 24
Step-by-step explanation: all you have to do is just minus i’m pretty sure and for the negative ones add the negative number and the other number together. If they are both negative then just act like the negative sign is not there and add the sign back after you find the distance 
 
        
             
        
        
        
Answer:
6/3 or 2 (you should probably write 2 though)
(there’s a couple notes in the pic too that will help you with slopes)
 
        
             
        
        
        
Answer:
the answers are B,C,D
Step-by-step explanation:
 
        
                    
             
        
        
        
T+11 because total would mean add them
        
                    
             
        
        
        
Answer: D 
-2.9a+6.8+4.4a-7.3
[-2.9a+4.4a]=1.5a
[6.8-7.3]=-0.5
1.5a-0.5