Work must be shown, 15 points if answered, + brainlynessiest answer
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
40cm
Step-by-step explanation:
if the area is 100 then you have to do the square root of 100 which is 10.
each side is 10. 
10 x 4 because 4 equal sides
40
 
                                
             
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Answer:
2f = 5b
Explanation:
 
        
             
        
        
        
Answer:
-25 and 4
Step-by-step explanation:
-25×4=-100 and -25+4=-21
 
        
                    
             
        
        
        
        
The product of g and 4.
product = ×
4g
The answer is B.
        
             
        
        
        
I hope this helps! Just follow the instructions.