Answer
d) $p\gt51$
Work Step by Step
$-21+p\gt30\longrightarrow$ add 21 to both sides
$-21+p+21\gt30+21\longrightarrow$ simplify
$p\gt51$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.