Third option is Right...... AngleFBY = AngleGBX because they are the only vertically opposite angles mentioned in the options..... the others are not.... 
Hope this helps! 
Don't forget to mark the brainliest if I helped!
        
                    
             
        
        
        
Answer:
Hi! I really love ur work and hope it goes well. I wanted to order a custom cake for my parents anniversary and it's there 18 years together happily ❤. I wanted a custom cake and the I want i
 
        
             
        
        
        
The answer will be 2 cuz you multiply them at the answers
        
             
        
        
        
Answer:
1
Step-by-step explanation:
2x2 = 4
4-3=1