What is the similarity between the numbers 85,17,19,4 and 2?

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Which statement about perfect cubes is true

Ineed me i stuck and i don’t want to get it wrong