USE PHOTOMATH , it will solve it and show you how to do it , I use it for maths questions like this !!!!!!
Answer:
it will 8:9 hope it helps
There is no difference they are both negative numbers or we could say 25 is higher number then 10 but it negative
Answer: -1 would be -d
0 -> d
1 -> f
2 -> stays same
(if this is not the right answer I'm sorry because i learned this awhile ago