"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?

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units