We see on the picture that :
When we go down one row, we add one horizontal and two diagonal cards.
In the first row we have 2 cards
In the second 2+3=5 cards
In the third 5+3=8 cards
etc.
General formula : in the n-th row from the top, we have
 
 
        
        
        
Answer:
I can answer this but all you have to do is get the length, weight, and height and multiply it. I was going to do it but I could it find the height, and width. 
 
        
             
        
        
        
Answer:
$6.60
Step-by-step explanation:
1 2/5 = 1.4
3.36/1.4 = 2.4 
2.40 per pound 
2.40 * 2.75 =  6.60
 
        
             
        
        
        
Answer:
See below.
Step-by-step explanation:
For item 2:   
The Net Price Rate = 276 / 460 = 0.60 = 60 % (answer).
Item 3: Net Price Rate =  3247 * 100 / 3820 = 85% (answer).
Item 4  Net Price Rate =  675.11 / * 100 / 987 =  68.4%. (answer).
Item 5 Item's Net Price = 987 * 0.675 = $666.23 (answer).
Item 7 Net price Rate =  2945* 100 / 4750 = 62%. (answer).
Item 8: First find the list place $x:
0.90* 0.80 * 0.70x  = 252    ( the 0.90 , 0.80 and 0.70 come from 100 - 10% = 1 - 0.10 = 0.90  and so on)
0.504 x = 252
x = $500
Answer is List Price = $500 and Net Price Rate = 50.4%.
Item 10  List price =  2890.65 / 0.35 = $8259. (answer)