All of the following powers are granted to the president by the constitution except

Forming new cabinet-level departments

Explanation:

The president has all the following powers as stated in the constitution:

1. Serve as commander in chief of the armed-forces.

2. Commission officers of the armed forces.

3. Grant reprieves and pardons for federal offenses (except impeachment).

4. Convene Congress in special sessions.

5. Receive ambassadors.

6. Take care that the laws be faithfully executed.

7. Wield the "executive power."

8. Appoint officials to lesser offices

Nonetheless, he doesn't have power to form new cabinet-level departments

answer; i believe its called ; checks   and balances;

answer; i do believe its (b) 12.5 years of age;