The quadratic term is 2x^2.
        
             
        
        
        
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Answer:
Step-by-step explanation:
4y-4=10x+65, this can be expressed in many ways...
4y-10x-4-65=0
4y-10x-69=0 or
4y=10x+69
y=(10x+69)/4
 
        
             
        
        
        
Expected value = -1(1/6) + 2(1/6) + 3(1/6) - 4(1/6) + 5(1/6) - 6(1/6) = -1/6 + 2/6 + 3/6 - 4/6 + 5/6 - 6/6 = -1/6 = -0.167
        
                    
             
        
        
        
Answer:
497,725
just subtract smallest from largest to get the difference 
724,435 - 226,710