Answer:
$30
Step-by-step explanation:
Multiply $7.50 by 4 (Him and his friends) and you get a sum of $30 
Each of them have 2.50 left
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
Bacteria is helpful because it helps protect the cells in your intestines. Its, harmful because itI can cause a disease in your lungs. 
Hope this helps!
 
        
             
        
        
        
Answer:
Step-by-step explanation: I think you skip count by 50s or something like that. So, it has to be 64.
 
        
             
        
        
        
Answer:
21
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation:
Parallel lines have the same slope
So if line Q has a slope of 3
Line R which is parallel to Q must have a slope of 3