Answer:
31.6
i think 
Because 39 1/2 divided by 1 1/4 is  31.6
Hope This Helps 
 
        
                    
             
        
        
        
Area = [radius^2 * 5 * sine (360/5)] / 2
area = [64 * 5 * 0.95106] / 2
area =
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152.1696
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Answer:
1
Step-by-step explanation:
x-9=-8
x=-8+9
x=1
 
        
             
        
        
        
The equation of the line is 
y = 5x-11