a. 4. b > 0
If b is positive, then we know it will be greater than 0.
b. 1. s ≤ 0
If s is nonpositive, this means it is negative or 0. We will use a less than or equal to symbol.
c. 3. w ≥ -8
If w is greater than or equal to -8, we will use a greater than or equal to symbol.