Find each value or measure. Assume that all segments that appear to be tangent are tangent.
Find angle JLK

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.

Lee has $1.75 in dimes and nickels. the number of nickels is 11 more than the number of dimes. how many of each coin does he have?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15