Answer:
B. 97%
Step-by-step explanation:
20 students is -2 standard deviations away from the mean
35 is +3 standard deviations away from the mean 
100 - 2.4 = 97.6
(2.4 is amount of data we are not using) 
please refer to the standard deviation graph attached :)
 
        
             
        
        
        
 41-19 is 22 so he has 22 nickels. The amount of dimes is put in there to distract you. Just ignore those! :)
        
             
        
        
        
13% 0.25 1/3 0.35 least to greatest
        
             
        
        
        
Answer:
No, they aren't similar.
Step-by-step explanation:
<u><em>Let's take the proportionality of their sides to check whether they are similar or not:</em></u>

=> 2 ≠ 3
So, they are not similar.
 
        
             
        
        
        
9 hundreds=900 9 thousands=9,000