What is the quotient of the rational expressions shown below? Make sure your answer is in reduced form.
x2 - 16 x2 - 8x + 16
x+5 2x +10

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