Question

|-8|-|-4|

Answer 1

4

Answer 2

They're just going to keep asking the same questions if you keep giving just the answers. Perhaps try working it through with them so they actually understand.

Answer 3

|-8| = 8
|-4| = 4
so,
|-8| - |-4| =8-4 = 4

Answer 4

absolute value just means that if the number is negative, make it positive.