Step-by-step explanation:
the sum of all angles in a triangle is always (ALWAYS !) 180°.
180 = 31 + 35 + x = 66 + x
x = 180 - 66 = 114°
 
        
                    
             
        
        
        
Answer: 
V=56
Step-by-step explanation:
times both sides by 7
 
        
             
        
        
        
Answer:
Yes, as long as it is terminating, or ending and does not repeat forever.
 
        
                    
             
        
        
        
9 students.
4 studied 21 minutes,
2 studies 22 minutes,
1 studied 23 minutes, 
and 2 studied 30 minutes. 
Hope this helps you:)