The intersection of the steps is just a fancy way of asking wi\hich numbers are in both equations so lets look and see :)
The 1st = 0...1...5...7...8
The 2nd =0........5...7........9
 Answer = D {0, 5, 7}
Hope this helps have any questions let me know :)
        
             
        
        
        
Answer:
19
Step-by-step explanation:
on edge 2020
 
        
                    
             
        
        
        
24/4: 24-12: 12+0: 12/1: 48/4: 72/6:
        
             
        
        
        
Answer:
7.9927128e-6 
Step-by-step explanation:
 
        
                    
             
        
        
        
256, 340, 740, 749, 749, 999,