The sum of a number and 12, divided by 5

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 commission on a $590.00 sale if the commission is 15%.

If g^-1(x) is the inverse of g (x) which statement must be true