A truth table is a way of organizing information to list out all possible scenarios. We title the first column p for proposition. In the second column we apply the operator to p, in this case it's ~p (read: not p). So as you can see if our premise begins as True and we negate it, we obtain False, and vice versa.
Answer:
that would be 80
Step-by-step explanation:
Here it is
1) h ≥ 19
2) y > 6
3) 2x ≤ 10
x ≤ 5
4) 9x ≤ 45
x ≤ 5
