Answer:
rate of exchange is -2/-2
 
        
             
        
        
        
You can download the app photo math and that will help you
        
             
        
        
        
Answer:
yes I know what I mean to you can be the next rikage to get out there nationalityand and get a doberman baby driver and the Mather family and the kids will have a great weekend in my room to get to know that they are very good friends or not to see my father did it for the first round and 
 
        
             
        
        
        
To efficiently double the volume of a square pyramid, you need to double the height of the pyramid. 
<span>V = (1/3)Ah where A is the area of the base. If you double the height and leave A unchanged, the volume will also be doubled (replace h with 2h in the formula).</span>