1yd is 12 ft
So do 12-1=11.
11 is the answer
        
                    
             
        
        
        
Answer:
B
Step-by-step explanation:
 521,370 would round to 521,400
26,839 would round to 27,800
and adding them would be 
548,200
 
        
             
        
        
        
Answer:
42
Step-by-step explanation:
3x^2 +5x
Let x=3
3(3)^2 +5(3)
3*9 +15
27+15
42
 
        
             
        
        
        
use unitary method
for 5 it costs 330p 
so for 1 choc it will cost 330/5 
to get 9, 
 (330/5) =66
66 multiplied by 9 =594
therefore 9 will cost 594p
 
        
                    
             
        
        
        
Answer:
B and C
Step-by-step explanation:
Just not linear lol