Please Help Me Do This I cant understand it no matter how hard I try. (Problem in the image)

The table shows the distance traveled over time while traveling at a constant speed.

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

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?