Answer: I hope this helps! 
Step-by-step explanation:
Sorry, the app I use simplifies before they finish the equation which is a little weird but still easy to follow along.
 
        
                    
             
        
        
        
X=moira y=mother
x=1/2y-3 
x=1/2(76)-3
x=38-3
x=35  
Moira is 35 years old.
        
             
        
        
        
To find your answer out , Multiply 8 by 5 giving u 40 inches . So your answer will be 40 inches long .
        
                    
             
        
        
        
Could you take a little bit clear picture? :)
        
                    
             
        
        
        
Answer:
Secants – 1. <CBG 2. <AGF 3. <ABD
Tangent – 1. <CDE
Chords – 1. <BD 2. <DF 3. <BG 4. <BF 5. <GD 6. <FG
Angles – 1. 45 2. 75 3. 35 4. 70 5. 75 6. 55 7. 50 8. 25 9. 35 10. 70 11. 50 12. 25 13. 70 14. 50. 15. 60 16. 85 17. 95 18. 85 19. 95
Step-by-step explanation: