Write which of the following statements are true? Justify your answer: The set of all real numbers is contained in the set of all complex numbers.

Write which of the following statements are true? Justify your answer: The set of all rectangles is contained in the set of all squares.

Write which of the following statements are true? Justify your answer: The set of all rectangles is contained in the set of all squares.

Write which of the following statements are true? Justify your answer: The set of all rectangles is contained in the set of all squares.

Write which of the following statements are true? Justify your answer: The set of all crows in contained in the set of all birds.

Write which of the following statements are true? Justify your answer: The set of all crows in contained in the set of all birds.

Whether the following statement is true ? Justify your answer. The set of all rectangles is contained in the set of squares.

Write which of the following statements are true? Justify your answer: The sets P={a}a n d\ B={{a}} are equal.

Which of the following are sets? Justify your answer : The collection of all prime numbers.

Whether the following statement is true ? Justify your answer. The set of all isosceles triangles is contained in the set of all equilateral triangles.

Whether the following statement is true ? Justify your answer. The set of dogs is contained in the set of animals.