The drama club is showing a video of their recent play. The first showing begins at 3:45 p. m. The second showing is schedule at 6:25 p. m. with a 1/2 hour break between the showings

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