Answer:
The answer is hank.
Step-by-step explanation:
   3c+9-9 = 417-9.
c=136
 
        
             
        
        
        
Equilateral 
Isosceles
Scalene
Right
Acute
Obtuse
        
             
        
        
        
87 24/25.......24/25 = 0.96......answer is 87.96
224 7/10....7/10 = 0.7....answer is 224.7
686 49/50...49/50 = 0.98...answer is 686.98
        
             
        
        
        
Answer:
strong
Step-by-step explanation:
hope this helps have a great day