Rick is setting up a model train track that is 5 and 5 over 6 feet long. No telephone pole is needed at the start of the track. However, along the track, he places a telephone pole every 5 over 12 foot apart. How many telephone poles does he need? (Input number values only)

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.