What does the double negative of "Nohbdy will not get out alive" literally mean?

Which is best evidence that mary is beginning to change

Ineed with another opening line. here's the idea: a girl got detention for something she didn't do, and had to stay afterschool until evening. she headed towards the bathroom, only to be lured away by distant music. she walks down the dark hallway (which lead to the auditorium) and saw a boy playing the piano, perfectly. i just need a detailed description of this. best will be awarded brainliest. you

Pl true or false: a hyphen can indicate that a word has been split up at the end of a line and continues onto the next line.