List the elements of the following sets:
(1) {factor of 24}.
(2) {Negative integers greater than _9}.
(3) {Integers whose squares are less than 200 but greater than 40}.
(4) {Odd positive numbers less than 30}.
(1) {factor of 24}.
(2) {Negative integers greater than _9}.
(3) {Integers whose squares are less than 200 but greater than 40}.
(4) {Odd positive numbers less than 30}.