The diagram is a "mapping diagram" that describes a function? The function pairs numbers from the set on the left with numbers from the set on the right. "Domain" refers to the numbfers on the left, where the arrows come FROM. (Some people describe this as a mapping of x to y, with x on the left and y on the right.) The answer is B.
 
        
             
        
        
        
Answer:
just add the powers to get 6 to the 10 power
 
        
             
        
        
        
Well 1000 for his birthday then subtract 25 each week, w, should be 1000-25w if i am not mistaken.
 
        
             
        
        
        
Answer:
4√5
Step-by-step explanation:
Use Pythagorean theorem
a^2=21^2-19^2
a^2=441-19^2
a^2=441-361
a^2=80
a= √80
simplify 
 
        
             
        
        
        
10:24 because if you add up the amount of the books no matter what the genre is you get 24.There are 10 mystery books and it asks for the ratio of mystery books to the total of books so it would be 10:24