Which of the following could be an internal angle in a regular polygon?
(A) I only
(B) III only
(C) I and II only
(D) II and III only
(E) I, II, and III
If is a perfect square, which of the following could be true?
(A) I only
(B) II only
(C) I and II only
(D) I and III only
(E) I, II, and III
If , which of the following could be a value of ?
(A) I only
(B) III only
(C) I and II only
(D) I and III only
(E) II and III only
For all numbers and , let be defined by . For all numbers and , which of the following must be true?
(A) II only
(B) III only
(C) II and III only
(D) I, II, and III
(E) None of the statements
If is a prime number greater than 10, which of the following could represent another prime number for some value of ?
(A) I only
(B) III only
(C) I and II only
(D) I and III only
(E) II and III only