8. The lengths of 2 sides of a triangle are 9 and 15. What can be said about the length of the 3rd side?
A. It must be greater than or equal to 6 and less then 24
B. It must be greater than or equal to 6 and at most 24
C. It must be greater than 6 or less then 24
D. It must be greater than 6 and at most 24