Answer:
A
Step-by-step explanation:
a and d look similar but I'm quite sure it's a 
 
        
             
        
        
        
Answer:
K would be 375.
Step-by-step explanation:
You take the number you already have and divide it by the new number its giving. (0.06)
 
        
             
        
        
        
Answer:
The answer is D,  
Step-by-step explanation:
By graphing each one in a graphing tool like Desmos, you can determine which one it is. 
If your looking for an actual explanation on how it is found, I can't really help you on that one.
 
        
             
        
        
        
Answer:
r
Step-by-step explanation:
sin is o/h so across from 12 would be the angle r