HELP I LOST MY VOICE I NEED IT!!!?

Okay well i woke up around four with a killer dry scratchy throat pain so i drank so water n advil n went bak to bed now i wake up for skool n i lost my voice when i speak its squeeky n now i can only whisper. I hav two tests today but theyll b short n in every other cl they ask me questions n stuff how can i answer?!? Wat can get rid of it i absolutely need it for tomorrow no excuse. Pleeeeaaase! Any home remidies n do i tell me teachers? Write it on paper? Help!!!