Answer:
The arc length of the semicircle is half the circumference of the full circle
 
        
                    
             
        
        
        
Answer:
Apply yourslef! Don't wait for people to text you, especially if you like a certain person. Honestly, find all the people you might like and text them at the same time and start a conversation and you can take it from there!
Step-by-step explanation:
 
        
                    
             
        
        
        
Honestly i just wanted to try this question since ive never seen it but i dont rlly know if i did it right at all
I equaled GH, HI, and GI together to get y
which i got y=-2
and what i got next i feel is off since 
GH, HI, and GI all equaled -11
if you kind of know how to do the question maube you could correct me from there but otherwise dont take my word for it completely