Jess owns 4 red shirts, 5 blue shirts, and 3 white shirts. she chooses a shirt to wear at random. what is the probability that she chooses a white shirt?

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.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

2.5 milligrams is equivalent to how many grams