Assuming that you want this simplified...


Use the FOIL method and combine like terms:


And your final answer is: 
 
        
             
        
        
        
Answer 
Roaring Economy of the 1920s.
Explanation:
 
        
             
        
        
        
The sailed off from England, eventually landing in Cape Cod
 
        
             
        
        
        
Light energy is quantized
<span>It
means that even though light is a wave, it nevertheless exists in
discrete (distinct, countable and indivisible) units, i.e. particles</span>