Answer:
[see below]
Step-by-step explanation:
Question 1:
"At most" means implies "Less than or equal to".
The number can be at most 12, which means it can't be over 12.
Option 1 should be the correct answer.
Question 2:
"At least" implies "more than or equal to".
The grade would have to be 90 or above for you to go to Disney.
x ≥ 90
Question 3:
As mentioned in question 1, at most means less than or equal to. ''
You can bring no more than 3 friends to Disney.
So options A, B, and C should be correct.
Hope this helps!