Answer: 32.20$ Train Fee
Step-by-step explanation:
15% of 28 is 4.20... 4.20 will be added to the current Train Fee
    28.00$
<u>  +   4.20$</u>
     32.20$
Final result: The Train Fee will be 32.20$ 
 
        
             
        
        
        
Answer:
10i
Step-by-step explanation:
√-100 = √-1 × √100 = i × 10 = 10i
I don't understand why there are two boxes though.
 
        
             
        
        
        
Answer: it doesnt need an explanation, it just does.
Step-by-step explanation: im not stoopid
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
p = 100
l = 4w
l = 80
w = 20
80 = 20*4
 
        
             
        
        
        
Answer:
No, because the radicands are not the same
Step-by-step explanation: