pradavent pradavent 21-08-2020 Mathematics contestada HELP ME PLEASE Which expression is equivalent to 3 4 - 1 2 ? A) 3 4 + 1 2 B) 3 4 + (- 1 2 ) C) 3 4 - (- 1 2 ) D) - 3 4 + (- 1 2 )