I need help with this! Quick ASAP?

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.

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation