28 x 2 = 56 half dollar coins
        
                    
             
        
        
        
Answer:
i think it is 180 
Step-by-step explanation:
because 180 is the total degrees of a triangle
 
        
             
        
        
        
Answer:
30.9717685346
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
No, the solution of the system is (-1,5)
 
        
             
        
        
        
 1 ║ 1               2                  -3               2
                        1                   3               0
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        1              3                   0              
⇒ The Remainder is 2