The way to solve is using order of operation PEMDAS. Its very easy. You should be able to solve it yourself. I'll give you the first 3 answers: 
1. g/6=x
2. x=1/2u+1
3. z-m=x
I would give you all the answers but it would be best if you did it yourself. You teacher and parents would be much happier if you learnt the skill. Hope this answer helps! Mark as brainliest! :)
        
             
        
        
        
I did a good time at work but I got to get it done I got my car back and I’m gonna was a great
        
             
        
        
        
basically write the triangle in degree language like this is a acute angle because this is a 70* degree angle and talk more