X + 12 = 6 what is the answer

Which system of linear inequalities is represented by the graph? !

Having a hard time understanding this question (see attachment).

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _