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Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

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

You use technology ans find a sum of 6.712e-8. write this sum in standard form