Ana wants to paint her dog's doghouse. she has 4 colors: green , maroon , blue , and wheat . one color will cover the walls and another color will be used for the trim ( for example, green walls with wheat trim = gw ) . which one of these answers shows all of the possible color combinations? a. bw, bm, bg, bb, mw, mb, mg, mm, gw, gb, gm, gg b. gm, gb, gw, mg, mb, mw, bg, bm, bw, wg, wm, wb c. mm, mg, wb, wm, wg, bb, bg, bm, wb, gb, gm, gw