Yo I need help I dot. Get it at all

B

Step-by-step explanation:

to do this you just have to do the second y minus the first y over the second y minus the first x so in this case you would get 64-40/40-25 which is 24/15 which can be reduced to 8/5

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.