(a) If we are at 8 on the number line, then to reach the integer -5, we must move towards the left on the number line.
(b) If we are at 8 on the number line, then to reach the integer 11, we must move towards the right on the number line.
(c) If we are at 8 on the number line, then to reach the integer 0, we must move towards the left on the number line.