Answer:
A≈113.1
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
1.
Step-by-step explanation:
The > symbol shows that you have to be older than 13, and there must be a line underneath to signify a can be equal to the number (meaning you can be 13 to do this).
 
        
                    
             
        
        
        
Answer:
5.5 or 5.50.
Step-by-step explanation:
2.75 x 3 = 8.25. that minus 2.75 = 5.50.
 
        
                    
             
        
        
        
Answer:
(-1,-4)
Step-by-step explanation:
the X can't repeat bc if it does it won't be a function
 
        
                    
             
        
        
        
There's nothing here to choose from but it should be something like : q + d = 18; .25q + .10d = 2.85