Which expressions are equivalent to 6 - 4.5 (-8) ? A 6 4.5 8 B 6 4.5 - 8 C 6 – 4.5' 8 D 6 - 4.5 - 8 E 6 (-4.5) - 8 F 6 (-4.5) (-8). G 6 (-4.5) - (-8)