Answer:
42x - 21 - 9x^2
Step-by-step explanation:
basically do the area of the whole rectangle then di the area of one of the empty spaces. then subtract the value of the empty space three times because there are three empty spaces.
 
        
                    
             
        
        
        
Answer:
69
Step-by-step explanation:
i'm just hear to get points sorry
 
        
             
        
        
        
Answer:
6.25 <7
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Some ages that Mark could possibly be are...
16, 17, 18, 19, and 20. I found my answers because to have a job or work at a program, you have to be at <em>least</em> 16. So Mark could be 16, 17, 18, 19, or 20. He would be able to work being 21 because that is the drinking age and you are already in the adult stage and you are old enough to be responsible with what you do.  
Step-by-step explanation:
<h2><em>
Hope this helps and have a great day :)</em></h2>
 
        
             
        
        
        
Answer:
The 1st one.
Step-by-step explanation:
There are 8 letters and there are 3 e's. Which makes 3/8. Please don't delete my answer, I am only trying to help.