Answer:
1.- 
2.-2x 
Step-by-step explanation:
 
        
             
        
        
        
2.8392222e+17
Step-by-step explanation:
283838383838382828 + 83838383888282=2.8392222e+17
 
        
             
        
        
        
Answer: Your answer is 17/33! Hope this helps. If you need anymore help let me know!
 
        
                    
             
        
        
        
Answer:(7,3)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
it would be 52 degrees as well because it is a corresponding angle