Answer:

Step-by-step explanation:
"At least" is inclusive, so you can be 21 years old.
It’s 2/15
It’s just 2x1 and 3x5
Answer:
The answer is one.
Step-by-step explanation:
I'm not exactly sure if I'm right , so sorry, if it's wrong
I think the The answer 1/1 or1/2! If it is not correct then ask some one else
The answer is 81 because 27 x 3