answer all 4 problems  1. Solve each inequality and graph the solution on the nu

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answer all 4 problems 
1. Solve each inequality and graph the solution on the number line.
-ANSWER NUMBER 21 – SEE ATTACHMENT BELOW
2. Solve each inequality and give the solution in interval notation.
– ANSWER NUMBER 29 – SEE ATTACHMENT BELOW
3. Solve each inequality and give the solution in interval notation.
-ANSWER NUMBER 37- SEE ATTACHMENT BELOW
4.Solve each inequality and indicate the solution set.
-ANSWER NUMBER 51- SEE ATTACHMENT BELOW

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