the value of a car that cost $16,000 decreased to $12,000 after 2 years what is the percent of decrease

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.

What is 32+4 x (16 x 1/2) -2 show your work}

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.