Convert 39/4 into decimal

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Milk and ice cream are mixed together for a recipe. the total volume of the mixture is 1 cup. if the milk contains 2% fat, the cream contains 18% fat ,and the mixture contains 6% fat ,how much cream is in the mixture