This is my last question in math so please answer it and its not free coins

3. It can be used to represent the elements of individual sets and those contained their union and intersection.

A. Complement of Set
B. Difference of Set
C. Union of Set
D. Venn Diagram

4. This is a number that contains no fractional part.

A. Absolute number
B. Integer
C. Irrational number
D. Rational number


5. A number that can be written in the form where a and b are integers, and b = 0.

A. Absolute number
B. Integer
C. Irrational number
D. Rational

6. The square of the number is 17, what is the number?

A. 289
B. 324
C. 361
D. 400​