An outdoor spa​ (hot tub) draws 1508 watts to keep the water warm. If the utility company charges ​$0.09 per​ kilowatt-hour, how much does it cost to operate the spa for four months during the winter​ (24 hours per​ day)? Assume each month has 30 days.

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.

The system of equations graphed below has how many solutions? y = 2x + 2

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