Answer:
0.6
Step-by-step explanation:
1) 1.4-0.8 (A negative and a positive equals a negative, then you just subtract. On the number line you would start at 1.4 and go back)
hope this helps!
 
        
             
        
        
        
Answer:
15 boys dont finish 
Step-by-step explanation:
48+a=63
a=15
 
        
                    
             
        
        
        
Answer: 14 new users are added per second
Step-by-step explanation:
1,200,000/24 = 50000
50000/60 = 833.333333333
833.333333333/60 = 13.8888888889 
then round because it said on average
so if we round 13.8888888889 we get 14
so on average 14 new users are added per second.
 
        
             
        
        
        
Answer:
FINE ITS A AND B
Step-by-step explanation: