Problem ID: PRABER5) 31. The table shows the air temperature at different elevations, Elevation (feet) Temperature (°F) 0 750 100 70° 200 67° 300 640 400 59° 500 55° 600 50° Which line best fits this set of data? А B y = *** + 75 y- ** - 75 y- ** + 75 y = ** - 75 С D​

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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