Answer:
<7 = 47, 2x - 5 + 47 = 180, x = 69
Step-by-step explanation:
<5 and <7 are vertical angles, which means that they have the same degree. 
<7 + <6 = 180. <6 = 2x - 5. 2x - 5 + 47 = 180. 
Solve
2x - 5 + 47 = 180
2x + 42 = 180
2x = 138
x = 69
 
        
                    
             
        
        
        
The answer would be that Mario finished his homework at 3:55
        
                    
             
        
        
        
The answer is 9, to find it just do inverse and in this case that is 12-3 and u should always get the answer