Answer
$5\sqrt 2$
Work Step by Step
Use the distance formula, we have
$d=\sqrt {(-2-3)^2+(1+4)^2}=5\sqrt 2$
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.