0.5 and 9/18 greater than, less than, or equal

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 matrix multiplication is possible?

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?