Three times a number, added to 8, is 53. Write an equation that you can use to find the number. Let n represent the number. What is the number? Use pencil and paper. Draw a model of the equation.

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