How would i solve will igive !

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).