the Table shows the cost y in dollars of renting x movies. (picture contains the table) which variable is independent? dependent? b. write a linear function that relates y to x. interpret the slope. it cost $__ to rent one movie. (graph in the image) d. How much does it cost to rent 3 movies?​

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth