It is B) -1/2 you btw you don't have to put please help :)
        
             
        
        
        
Answer:
cube" (and any subsequent words) was ignored because we limit queries to 32 words.
 
        
             
        
        
        
Answer:
32 times square root of 3.  is the perimeter, area is 48 times square root of 3
Step-by-step explanation:
 
        
             
        
        
        
The answer is a = 3/4 = 0.75
First get rid of the paranthesis, 

Then set the denominators equal:

Then remove the denominators and solve:

Eliminate -12a^2 by adding 12a^2 to both sides:

Take the fourth root of them or take the square root twice:
![\sqrt[4]{256 {a}^{4} }  =  \sqrt[4]{81}   \\  4a = 3](https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D%7B256%20%7Ba%7D%5E%7B4%7D%20%7D%20%20%3D%20%20%5Csqrt%5B4%5D%7B81%7D%20%20%20%5C%5C%20%204a%20%3D%203)
Divide both sides by 4:
 
 
        
        
        
Answer:
I think the equation is 7l +5=60
Step-by-step explanation: