What is the value of the 30th term in the following arithmetic sequence?

12, 6, 0, -6, ...

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.

Which of the following is true about the following construction of a tangent to a circle from a point outside of the circle?

3x^2 + 64 = 2x^2/2 find the roots of the quadratic equation