Answer:
6s
Explanation:
24s^3 = 2 * 3 * 4 * s *s * s
12s^4 = 2 * 2 * 3 * s * s * s * s
18s = 2 * 3 * 3 * s
As we can see, the common factors that both 24s^3, 12s^4, and 18s have are 2, 3, and s. Multiply these common factors, and you get 2 * 3 * s = 6s, which is the greatest common factor of 24s^3, 12s^4, and 18s.