Can the number 12 be part of more than one fact family

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Pls will give brainliest and all p. s u can zoom in if u cant see plss

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation