Answer:
9
Step-by-step explanation:
= -3²
= 9
 
        
             
        
        
        
Answer: 9 buses
Step-by-step explanation:
 427+17+53= 497
1 bus can hold 56 people 
497 ÷ 56 = 8.8 --> round it up is 9 
 
        
                    
             
        
        
        
72 boys.
Step-by-step explanation:
no. of boys (initial) : no. of girls : no. of boys (final)
 3 : 2
 3 : 2
______________________________________
 9 : 6 : 4 
9u - 4u = 5u = 30
5u = 30
1u = 30/5 = 8
9u (initial no. of boys) = 8×9
 = 72
 
        
             
        
        
        
Answer:
Fraction form: 3/8 Decimal form: 0.375
Hope this helps!