If 1x=1-y and 3x=8-5y=, what is the value of x?

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.

Jim had 15 minutes to do 5 laps around his school what would his time be

In the diagram below,abc is congruent to dec what is the value of x