Question

Please help ASAP hope you can help me

Answer 1

13-(-3)

adding the opposites, you get 16 degrees.

-3+13

using a number line: 3 to the left, 13 to the right=10 degrees

For example: 10-(-1)= positive 11. no. you could have -1-(-9). Add the opposites and you get positive 8.