Which equation is an equivalent form of y=x^2-2x-15? a) y=(x-1)^2 -16b) y=(x-1)^2 -14c) y=(x+1)^2 -16d)y=(x+1)^2 -14show your steps

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !