An anglefish was 1 1/2 inches long when it was bought. now is 2 1/3 inches long. an inch is 1/12 of foot. how much has the anglefish grown in feet?

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