Match each radius or diameter of a circle with it's approximate circumference

Plz need answer now will mark which situations represent linear functions? check all that apply. a)the temperature rises and falls over the course of a day. temperature is a function of time. b)a baseball is hit into the outfield. the height of the ball is a function of time. c)a car goes 55 mph on the highway. distance is a function of time. d)a child grew 2 inches this year and 1 inch last year. height is a function of time. e)a movie director makes 2 movies per year. the number of movies is a function of the years.

Arrange these numbers from least to greatest 3/5 5/7 2/9

What is the area of triangle abc if a = 8, b = 11, and c = 15?