Answer:
6
Step-by-step explanation:
can i get u kno wah
 
        
             
        
        
        
The vol. of a cube of side length s is V=s^3.
So, if the side length is 5a+4b, then the volume of the cube is
V(a, b) = (5a+4b)^3.  This could, of course, be expanded, using the binomial theorem, but there's no point in doing so.
        
             
        
        
        
Answer:
11
Step-by-step explanation:
3+(−3)^2−(9+7)^0
=3+9−(9+7)^0
=12−(9+7)^0
=12−16^0
=12−1
=11
any number to the power of 0 is ALWAYS 1