-10 because you lost twice more than you won.
        
             
        
        
        
Answer:
Step-by-step explanation:
620$
 
        
             
        
        
        
Answer:

Option C is correct.
Step-by-step explanation:











Hope I helped!
Best regards! :D
~
 
        
             
        
        
        
(4x-7y)(4x+7y)
4x times 4x= 16x^2
-7y times 7y= -49y^2
        
             
        
        
        
Answer:
4
Step-by-step explanation:
4444