Solve pls i will give u brainliest

Which function has the same domain as y=2x

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.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'