Answer:
The last one.
Step-by-step explanation:
I think it's the last one because as x increases by one, y increases by a constant rate of 5. The others don't increase by a constant rate. (I don't know if this is right but I think it is!)
 
        
                    
             
        
        
        
Answer:
489
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A number used to multiply a variable. Example: 6z means 6 times z, and "z" is a variable, so 6 is a coefficient. Variables with no number have a coefficient of 1.
Step-by-step explanation:
Hope it helps
 
        
                    
             
        
        
        
Answer:
<em>the length is 12</em>
<em>the width is 8</em>
Step-by-step explanation:
<em>add up all the coordinates</em> and you'll find it. also if I'm wrong I apologize I wasn't given a picture!
- Junkerss