Answer:
Step-by-step explanation:
<em>A = 1/4√5(5+2√5)a²</em>
<em></em>
 
        
             
        
        
        
I think you have to divide 80milion and 84
        
             
        
        
        
Answer:
325
Step-by-step explanation:
Multiply 13*25 (the total  number of packs * the total number in each pack) = 325
 
        
             
        
        
        
Dy/dx=4x/y2 this is what i got 
hope this helps
        
             
        
        
        
Answer:
A
Step-by-step explanation:
a^2 + b^2 = c^2 
a^2 + 100 = 256
a^2 = 156
a = 12.48
a = 12.5