[contentcards url=”https://nypost.com/2024/06/14/us-news/ex-con-jeopardy-contestant-a-math-teacher-at-elite-brooklyn-school-arrested-amid-explicit-pics-probe-sources/” target=”_blank”] By Joe Marino and Katherine Donlevy An ex-con and math teacher at an elite Brooklyn private school who was once a contestant on “Jeopardy!”…