Find the area of a rhombus with diagonals 9 ft. and 12 ft

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.

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test