When solving an equation, Drew's first step is shown below. Which property justifies Drew's first step? {Original Equation:}Original Equation:-2(x + 5) =−2(x+5)=\,\, 11\text{First Step:}First Step:-2 x + -10 =−2x+−10=\,\, 11

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