Answer:
it would be 110. you add 80+30
 
        
                    
             
        
        
        
First you do -3bk+9bk and that equals 6bk then since there are no more like terms the experssion would be simplified into 6bk+2-6b
    HOPE THAT HELPED!
        
             
        
        
        
Answer:
x=1/2
Step-by-step explanation:
 
        
             
        
        
        
Answer:13.80
Step-by-step explanation:18-4.20=13.80
 
        
             
        
        
        
16 cubic inches or 13 oz.