6 x 9 = 54
I think the know facts are 18 and 36, because they are the only basic numbers 6 and 9 can go into.
        
             
        
        
        
Answer:
my answer is b) 0
Step-by-step explanation:
coz
-3+4+2+1+-4+-1+3+-2=0
divided by 8 is 0
 
        
                    
             
        
        
        
Yes, they can Decimal places are the numbers after a decimal. So for instance: 3.28863, that would have more than one decimal place because .28863 is more than one decimal place. 
        
                    
             
        
        
        
Answer: x - 777 = 0
Step-by-step explanation
x = 777
Move the contrast to the left
x - 777 = 777 -777
Eliminate the opposites