Answer:
a and b.
Step-by-step explanation:
-6-(-2) = -6 + 2 = -4.
2 - 6 = -4.
-6-(-2) is equivalent to
-6 +2
and 2-6
a) and b) are correct options
a+8
"sum" tells you to add the two numbers together.
17.8 D