I know the graphs are sloppy but I am struggling with this and can’t figure it out. Someone please help solve these.

The function models the number of accidents

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

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?