What is the length of DA on the number line?
A) -5
B) -3
C) 2
D) 5

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.

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9

Need on this geometry question. explain how you did it.