Answer:so 2x square+5x-12
Step-by-step explanation:
look carefully 
 
        
             
        
        
        
I think is 2713 but I am not sure about it.
        
             
        
        
        
Answer:
2.4
Step-by-step explanation:
similar triangles
Therefore
4/CD = 5/3
CD= 12/5
 
        
             
        
        
        
Answer:
D) All three have the same correlation coefficient.