Help ASAP with these please I’ll mark as brainlist if you explain or #2 please !!

What is the quadric regression equation that fits these data

What does x = in this equation x+3+2x=x+5

(01.02 lc) angle abc has point e on ray ba and point d on ray bc. points e and d are equidistant from point b. to bisect angle abc, which of the following needs to be identified for the construction? the distance between points e and d the point in the angle that is equidistant from points e and d the endpoint of rays ba and bc the point outside of the angle that is equidistant from points e and d