TikTok July 27, 2020 7:18 am Meet the High School Student Offering Free Math Classes on TikTok A 16-year-old rising high school senior, Alexis Loveraz, has turned to TikTok to provide one-minute math lessons for students who need help with the subject. US & World Videos 3:18 Summer-like temps and isolated showers 1:30 NJ man is riding his bike 1100 miles to promote cardiovascular exercise to overcome heart disease 2:35 Workers describe the chaos after deadly workplace shooting left 2 dead, 3 hurt in Chester 0:28 14-year-old boy shot by another teen while playing with a gun 4:54 The history of the Benjamin Franklin Parkway and how it was inspired by Paris' Champs-Élysées