If Alan knows one already, there is 3 more left for him to possibly know
        
                    
             
        
        
        
8x^5 +4x^2 - 12
= 4(2x^5 + x^2 -3)
answer is A
        
             
        
        
        
Answer:
 438 x 934=409092
Step-by-step explanation:
I hope this helps.
 
        
             
        
        
        
24 (you new amount) - 11 (new cards) = 13 cards to begin with
        
             
        
        
        
Sin45°=p/h
1/√2=x/4√2
x√2=4√2
x=4