zistoe0430 zistoe0430 24-01-2017 Mathematics contestada Which expression is equivalent to −2.1+(−5.9)+(−3.7) ? a (2.1+5.9)+(−3.7)b −(2.1−5.9)+(−3.7) c(2.1+5.9+3.7)d −2.1−(5.9+3.7)