1.) Calculate the area in square meters of a circular skating rink that has a radius of 13.7 m. The relationship between the area (A) and the radius (r) is A=pi r^2, where pi=3.14

2.) Show how the factor-unit method can be used to prepare an oatmeal breakfast for 18 guests at a family reunion. The directions on the oatmeal box say that 1 cup of dry oatmeal makes 3 servings.