Dale made $105 for 7 hours of work. At the same rate, how much would he make for 9 hours of work? helppp please

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.

Write a corresponding real world problem to represent 2x - 125=400

Find x to the nearest hundredth place