Apole that is 3.4 m tall casts a shadow that is 1.74 m long. at the same time a nearby building casts a shadow that is 41.5m long. how tall is the building

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