I looked it up, and it said false.
        
                    
             
        
        
        
(x+12)(x-3) Try this answer hopefully it is correct.
        
             
        
        
        
Answer:

area: 136 cm
perimeter: 48 cm
Step-by-step explanation:
For the first one just subtract

for the second one you just have to break it into smaller, more digestible pieces (work below)
 
        
             
        
        
        
I belive it would be 253 and 1/2 units.
6.5 x 6.5 = 42.25 (Area of one side)
Cube has 6 sides so 42.25 x 6 = 253.5