Need answer asap please

Do the following for the points (-3, 76), (-1, 0), (0, 1), (4, 265): (If you are entering decimal approximations, enter at least five decimal places.) (a) Find the equation for the best-fitting line y = ax + b for these points: y (b) Find the equation for the best-fitting parabola y = ax + ba + c for these points: y (c) Find the equation for the best-fitting parabola with no constant term y = ax + ba for these points: y (d) Find the equation for the best-fitting parabola with no linear term y = ax + c for these points: y