What is the value of the expression?
−4.2(0.35−3.5)
enter your answer in the box as a decimal.

guys

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.

You can find the constant of proportionality by finding the ratio of

Find the solution of this system of equation -7x+y=-20 9x-3y=36