Because the two angles on the right add to 180 degrees, we can create this system:

We can also prove that 

, which, when solved, shows that 

. 
When plugged in to the original equation, we find that y = 105 degrees. 
 
        
        
        
Answer: 1 is the greatest number that 33 and 40 divides into.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
If the length of a bridge on a map is 1 cm,then the actual length = 40,000 
If the length of a bridge on a map is 1.5 cm,then the actual length= 1.5 * 40000
 = 60000.0 = 60,000 m
 
        
             
        
        
        
Answer:
there are 11 blue balloons and 16 yellow balloons