Hot tub has a capacity of 1458 liters. Mrs smith put 487 liters 750 millimeters of water in the tub. How much water needs to be added to fill the hot tub completely?

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