Determine the inequality signs on a graph

Which of the following expressions is equal to 2x^2+8

Ill mark the brainliest if you me with the these three questions 7,8,9

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.