camille481 camille481 19-03-2020 Mathematics contestada Which pair of expressions is equivalent? A) f + g + f + g and 2(f+g) B)2f + 4g - f-g and 2(f + g) C) 0.5f + g + 1.5f - g and 2(f + g) D) f-g+ f + g and 2(f + g)