Answer:
I and II
Explanation:
I: 10 is less than or equal to 2(11) - 1
10 <= 22 - 1
10 <= 21
10 is less than or equal to 21
solution
II: 10 is less than or equal to 2(8) - 1
10 <= 16 - 1
10 <= 15
10 is less than or equal to 15
solution
III: 10 is less than or equal to 2(3) - 1
10 <= 6 - 1
10 <= 5
10 is not less than or equal to 5
not a solution