Given
p = positive
n= negative
Answer
[tex]\begin{gathered} \text{ p+n positive (}Nevertrue\text{)} \\ \text{ p-n positive ( Always true)} \\ \text{ p}^2+n^2\text{ positive (Always true)} \\ \frac{\text{ p}^3}{n^{3\text{ }}}\text{ positive (Never true)} \end{gathered}[/tex]
