Thank you for re-uploading the image! I've already solved the questions based on your first image upload. Let me know if you'd like me to recheck any specific problem or provide further details on any of the solutions.

To recap:

• 14: Answer is A ($x < -10$ or $x > -3$).
• 15: Answer is D ({13, -7}).
• 16: Answer is C ({10, -8}).
• 17: Answer is D ($-10 \leq r \leq 4$).
• 18: Answer is C ($m \geq 3$ or $m \leq -3$).
• 19: Answer is C ($(-∞, -12]$).

Let me know if you'd like me to break down any steps further or explore similar problems.