Answer: D
Step-by-step explanation: get the variable by itself on one side of the inequality sign.
 
        
             
        
        
        
Answer:
Is B/144 
Step-by-step explanation:
All you have to do is length x width x height. or multiply all those numbers together. 
 
        
                    
             
        
        
        
Ok well what I did but I’m not sure if it answers your question but I did 27-15=12-7=5 and that what I got maybe it’s 5 it’s just an assumption