At least one of the answers above is NOT correct. (4 points) Let U = {2, 4, 5, 6, 7, 9), R = (2, 4,5), S = (2, 5, 7}, and T = (7, 9). List the elements of the following sets. Enter "empty" (without quotes) if the set is empty. (RUS) = { ROSAT = { empty R'nSAT = { empty (RUS)n(RUT) = { empty (RnS) U (RAT) = { empty R'nT' = { empty RUSUT = { empty ROSAT' = { empty SUT = 1 2,5,7,9