Because it does not specify that she has to choose one or two from each category all pieces of jewelry can be treated as choices in a combination set.
the formula for a combination is

where n is a total number of choices ( 11 ) 
and r is number chosen out of those choices (4)
 so
C(11,4)= \frac{11!}{4!(11-4)!} 
She has 330 possible choices  to come home with 4 pieces of jewelry
 
        
        
        
Answer:
14.22
Step-by-step explanation: 1.58x9 meters=14.22 meters
 
        
                    
             
        
        
        
The answer is < because 7.1983 * 10^1 =71.983
        
             
        
        
        
Answer:
C: Nominial interest rate
Step-by-step explanation:
C
 
        
             
        
        
        
Only the function in C has the range of all real numbers. 
Later on, when you will be familiar with more type of functions you will know that when x is on the power range is usually only positive values or negative values if only not shifted, even if shifted it will only add to its range this numbers by which unit it was shifted.
B is shifted parabola. It has the range of  {y| -3≤∞}