Integers are closed under the operations the following operations except

Numbers to the left of zero on the real number line are called __________

The absolute value|x| of a real number x is defined by

Let R be the set of real numbers and Q be the set of rational numbers. Then R – Q consists of the set of _______________

If every element which belongs to A also belongs to B and if every element which belongs to B also belongs to A, then the sets A and B are _______________

Given that B1={x: 2 < x < 5},

B2=x: 2 ≤ x ≤ 5,

B3={x: 2 < x ≤ 5} and

B4={x:2≤x<5}.

Which of the statement is true

Sets of the form: A = {x: x > 1}, B = {x: x > 2}, C = {x: x < 3} are

Let E = {2, 4, 6, ...}. What is the compliment of the set E?

Sets are usually denoted by _________ letters

A concise definition of the intersection of set A and B