Find the x-coordinate of the vertex, y-coordinate of the vertex, and the x-intercepts. ! pls help, I’ll mark as brainliest !

Rose drew a regression line for this paired data set. her line passed through (1, 2) and (3, 5) . what is the equation of rose's regression line?

Me d is also an option but i couldn't get it in the picture

Ribbon a is 1/3 meters long. it is 2/5 meters shorter than ribbon b. what's the total length of 2 ribbons?