The answer to your question is below
Explanation:
There are 4 laws of gases
- Charles
Â
- Gay Lussac
Â
- Boyle - Mariotte
 P1V1 = P2V2
- General law of gases
Â
Let's use these formulas to answer the question
p2 = V2/P1 Â Â Â Â Â Â Â Â Â This is not a law of gases
p1= V1/k             This formula is similar to Boyle mariotte equation
                   but is not.
V2 = k/P2 Â Â Â Â Â Â Â Â Â Â Â This equation is correct is Boyle Mariotte formula
V2 = P1V1/ P2 Â Â Â Â Â Â Â This equation is also correct is Boyle Mariotte formula
V1 = P1/P2 (V2) Â Â Â Â Â Â This equation is incorrect
P2 = (P1) V1/V2 Â Â Â Â Â Â This equation is correct is Boyle mariotte formula