Explain please how to get answer.

/in /by

Explain please how to get answer.

Q prime = 3Q - 3. What is the value of (2 prime) prime?

(A) 2
(B) 3
(C) 5
(D) 6
(E) 9

A&&B = sqrt{b} - a. What the value of p in 16&&p = 9?

(A) -5
(B) 9
(C) 13
(D) 25
(E) 625