Question

Write the opposite of:. a) -+72=. b) -81=. C) 20 km north​

Answer 1

Answer:

A. already opposite because it has both sign already +-.....

B. +81.........

C. 20km south........

please mark my answer as brainliest answer.......

I hope it's helpful to you.....

Answer 2

Answer:

a)-72=, b)+81=, c)20 km south