To find the length of the side, will take the under root of the area. So, the side will be : 
c) 24.4 cm
        
             
        
        
        
Answer:
sorry I don't know the answer 
Step-by-step explanation:
i will get some points that's why sorry
 
        
             
        
        
        
No solution, I hope I helped (:
        
                    
             
        
        
        
Answer:
D
Step-by-step explanation:
The y intercept is (0,2) so you can eliminate A and C because they have -2 and the slope is negative so you can eliminate B because it has a slope of +3 so you are left with D.