In the equation 2r - 7 = 15, what value of r makes this equation true?

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.

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The quadratic function h(t)=-16.1t^2+150 choose the graph representation