PLEASE HURRY
Triangle RST has vertices R(−6,2), S(−2,8), and T(−4,−2).
Determine the transformation of triangle RST that produces triangle R′S′T′.

R′(6,2), S′(2,8), T′(4,−2)

reflection across the x-axis
reflection across the y-axis
reflection across the line y = x
rotation clockwise 90° about the origin