Lionel Upper Secondary Emath 02/07/21

https://us02web.zoom.us/rec/share/hQd2t9qO1wc_KLMKWQJsYpH74S0Fp55txzUSRG35TZ1mIcaitYVqLNqipiqCsSQ1.g_Ew249X7PSvr1rM Materials