Answer: d. all of the above
Explanation:
The Forbes 400 is a an annual list published by Forbes magazine that shows the richest 400 people in the United States.
The Wealthy 100 is a book published in 1996 that showed the richest Americans of all time.
The Rich and the Super-Rich is a book by Ferdinand Lundberg that was published in 1968 and documented 500 wealthy American families who were said to run the economy. 
All the above have therefore studied and documented the wealthy. 
 
        
             
        
        
        
It is <span>B. Brittan and Shostakovich
</span>
        
             
        
        
        
Answer:
10 Commonest Types of Patterns in Casting. We use 10 types of casting patterns in the casting process. Single piece pattern, two piece pattern, gated pattern, multi piece pattern, match plate pattern, skeleton pattern, sweep pattern, lose piece pattern, cope and drag pattern, shell pattern.
Explanation:
 
        
             
        
        
        
<span>1. </span>I
believe the correct answer is Vltava.
 
The name of the river that Czech composer Bedřich
Smetana depicted as it flows through the countryside is Vltava (also known as
Die Moldau or The Moldau). The composition describes the course of the Vltava,
starting from the two small springs, the Cold and Warm Vltava, to the
unification of both streams into a single current.
 
<span>2. </span>I
believe the correct answer is “Má vlas”.
 
The musical composition in which Czech composer
Bedřich
Smetana depicted the main bohemian river Vltava is called “Má vlast” (meaning
"My homeland"). “Má vlast” is composition set of six symphonic poems and
it is often presented as a single work in six movements, but the six movements
were conceived as individual works.