Which shows the best use of the associative and commutative properties t make simplifying 2/5-15+ 8-1/5+3 easier? A [2/5 + (-15)] +[8+(-1/5)+3 B.[3+2/5+(-15)] +[(-1/5) + 8)
C.[2/5+(-1/5)]+[8+3+(-15)]
D.[2/5+8+(-15)]+[3+(-1/5)]

Given a = {(1, , 5)(6,4)}, b = {(2,0)(4, ,5)(0, 0)) and c = {(1, 1)(0, 2)(0, 3)(0, ,5)}, answer the following multiple choice question: from the list of sets a, b, and c, state the domain of set b. domain of set b: {0, 6,5} domain of set b: {2, 4,-4, 0} set b does not have a domain