Answer:
find the length??
Step-by-step explanation:
you do understand that length means finding how long something is right? 
 
        
                    
             
        
        
        
Answer:
ok
Step-by-step explanation:
to hablando Espanol j
 
        
             
        
        
        
 
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☺ Hello mate__ ❤
◾◾here is your answer...
i think right question is this
 (3x − 7y)^2
ok now start solving:-
(3x − 7y)^2
=> (3x − 7y) (3x − 7y)
=> 3x(3x- 7y) -7y(3x-7y)
=>. 3x.3x - 3x.7y-7y. 3x + 7y.7y 
=> 9x^2 -27xy +27xy + 49y^2
=> 9x^2 + 49y^2
so your correct ans. is 9x2 + 49y2 
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I hope, this will help you.☺
Thank you______❤
✿┅═══❁✿ Be Brainly✿❁═══┅✿ 
 
        
             
        
        
        
Answer:
7x10^4
Step-by-step explanation:
Please add the thanks and rate me please
 
        
                    
             
        
        
        
Answer:
To find the perimeter of the rectangle, you would add all sides or use P=2L+2w (Perimeter = 2 times the length plus 2 times the width)
Step-by-step explanation:
28 feet