please help me! Answer will get marked brainliest. ASAP! THANK U

Answer:
So, for -1, just put a dot on the positive one.
For 2.5, just put a dot that is between the negative 2 and negative three
Hope that helps! :)
-Aphrodite
Step-by-step explanation:
answer:
the opposite of -1 is 1 so it should be placed in the positive side on the 1. and 2.5 the opposite is -2.5 so it should go on the negative side on -2.5. 2..5 goes between -3 and -2.
Step-by-step explanation:
hope it helps u!