"Suppose you are making baked ziti for a family party. The recipe serves 4 and calls for 2.5 teaspoons of oregano, but there are 16 people coming to dinner. How many teaspoons of oregano will you ned to serve 16 people?

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.

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?