Answer:
DUE= {0,10,12,18,19}
Step-by-step explanation:
The union of two sets is a set which contains all the elements of both the sets. thus DUE= {0,10,12,18,19}
 
        
             
        
        
        
2 x (L + W) = Perimeter
2(L + 16) = 80   Then divide both sides by 2
L + 16 = 40         Then subtract 16 from both sides
L = 24 feet
 
        
             
        
        
        
Answer:
b. 600
Step-by-step explanation:
subtract money from parents from tuition
divide by months
 
        
             
        
        
        
4g + 4 = 2g + 8
4g - 2g = 8 - 4
2g = 4 / : 2
<u>g </u><u>=</u><u> </u><u>2</u>