Please help!

16. What are the solutions of the compound inequality? Graph the solutions. (Image)

17. What are the solutions of the equation? Graph and check the solutions. (Image)

18. What are the solutions of the equation? Graph and check the solutions. (Two seperate images)

Please help 16 What are the solutions of the compound inequality Graph the solutions Image 17 What are the solutions of the equation Graph and check the solutio class=
Please help 16 What are the solutions of the compound inequality Graph the solutions Image 17 What are the solutions of the equation Graph and check the solutio class=
Please help 16 What are the solutions of the compound inequality Graph the solutions Image 17 What are the solutions of the equation Graph and check the solutio class=
Please help 16 What are the solutions of the compound inequality Graph the solutions Image 17 What are the solutions of the equation Graph and check the solutio class=