Answer:
Salt
Step-by-step explanation:
At its peak, Ghana was chiefly bartering gold, ivory, and slaves for salt from Arabs and horses, cloth, swords, and books from North Africans and Europeans. As salt was worth its weight in gold, and gold was so abundant in the kingdom, Ghana achieved much of its wealth through trade with the Arabs.
Hope this helps!
Brain-List?
 
        
             
        
        
        
You would take the answer of the square root problem and find the number that you can multiply by its self that would make that answer correct.
        
             
        
        
        
Step-by-step explanation:
hahahahah ga ada yang telah berpartisipasi dalam kayu yang telah berpartisipasi dalam kayu yang telah berpartisipasi di kecamatan dan paijanira ohhhhh umur berapa kali diterbitkan di
 
        
                    
             
        
        
        
Answer:
1. No.
2. Yes, there is no solution here.
Step-by-step explanation:
The former:

 is our set of solutions.
 is our set of solutions.
The latter:

In other words, there is not any solution from the set of real numbers that suits us.