Answer:
144=12², so 144^3/2=(12²)^(3/2)=12³=1728. 
this answer is not from the internet
go check yourselves
mark me brainliest
 
        
                    
             
        
        
        
PR=9(43)-31
PR=387-31
PR=356 
I think that's the answer :)
        
             
        
        
        
Answer:
56
Step-by-step explanation:
447/8
56
well actually 
55.875
I just rounded it up
 
        
             
        
        
        
Answer:
 
Step-by-step explanation:
 1. You must clear the absolute value bars.
 2. You have two cases: a positive case and a negative case.
 3. First, you can solve the positive case as following:
 
 4. Now, you must solve thie negative case as you can see below:
 
 5. Therefore, the answer is:
  