The midpoint formula is basically (averaging the x coordinates, averaging the y coordinates).
Point A: (3, 7)
Point B: (2, -1)
Midpoint x: (3 + 2) / 2 = 5 / 2
Mindpoint y: (7 - 1) / 2 = 3
Therefore, the midpoint of the segment is choice C (5/2, 3)
 
        
                    
             
        
        
        
A. There are 3 feet per yard. 
so... 390/3=130 yards 
        
                    
             
        
        
        
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And 

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To find the y-intercept of any equation just need to put 0 (( zero )) instead of the x  in the equation...
<h2>
Let's do it....</h2>
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In f ( x ) : 




Thus : 

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In g ( x ) : 





Thus : 

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The positive difference in the y-intercept value of f ( x ) and g ( x ) is : 

So write this in the box : 1
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And we're done....
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100 + ( 3 + 5 )2 - 5
100 + 16 - 5
116 - 5
111
        
             
        
        
        
the answer is 1 over 7225  if u want to know use cymath