PLEASE HELP Given that,

n = 10

standard deviation = s = 11.4963kg

variance = s2 = (11.4963)2

variance = s2 = ?

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