Answer - 20a + 24b because 8 is added to both variables.
        
                    
             
        
        
        
a square as the distance between the lengths and widths are 3
 
        
             
        
        
        
Answer:
100 yards
Step-by-step explanation:
It takes 4 yards of fabric to make a costume for one student.  She needs to make costumes for every student in chorus, so you just multiply this number by 25 and get 100 yards.
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:
you need to cross multiple