Answer:
There is nothing shown below and what are you asking
Step-by-step explanation:
 
        
             
        
        
        
The answer is to that is 100
25times 4
        
             
        
        
        
Answer:
Slope is -2
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a and c
Step-by-step explanation:
 
        
                    
             
        
        
        
c^2 = a^2 + b^2 - 2(ab)(cos C)
c^2 + 2(ab)(cos C) = a^2 + b^2
2(ab)(cos C) = a^2 + b^2 - c^2
cos C = (a^2 + b^2 - c^2) / 2ab - Answer choice E
Hope this helps! :)