Help please urgent i’m in a test

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

Find x to the nearest hundredth place

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.