Relations are ordered pair sets (x,y) mapping a value to another value
the set of 1st components is called the domain
the set of 2nd components is called the range
        
             
        
        
        
Answer:
.80
or 
0.80
Step-by-step explanation:
80 is out of 100, which is other words is .80 or 0.80
 
        
             
        
        
        
Answer:
smaller number = 15
Step-by-step explanation:
Let the two numbers be 5x and 3x respectively.
According to the question —
5x — 3x = 10
2x = 10
x = 5
Thus the smaller number is 3 × 5 = 15
 
        
                    
             
        
        
        
80/400 as a decimal is 0.2
        
             
        
        
        
Answer:
341 senior tickets were sold
Step-by-step explanation: