Answer:
1) x ≤ 30
2) 5x + 2x ≥ 14
3) x × y ≤ 4
4) y - 5 < 20
Explanation:
At most means " no more than, " " less than or equal to, " or " not greater than"
The math symbol that you will use for at most is ≤
At least means " no less than " or " greater than or equal to "
The math symbol that you will use for at least is ≥