Β The correct option is (C) Associative Property of Addition.
Step-by-step explanation: Β We are given to name the property that the following equation illustrates:
![-5+(8+10)=(-5+8)+10~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)](/tpl/images/0490/9340/95aff.png)
Let us consider that
a = -5, Β b = 8 Β and Β c = 10.
Then, equation (i) becomes
![-5+(8+10)=(-5+8)+10\\\\\Rightarrow a+(b+c)=(a+b)+c,](/tpl/images/0490/9340/d15e0.png)
which is the associative property of addition for the real numbers a, b and c.
Thus, the given equation illustrates the associative property of addition.
Option (C) is CORRECT.