b. \( -144+12= \)

Let’s do a little math magic! When you take -144 and add 12, you're essentially moving 12 units up from -144 on the number line. This gives you -132. So, -144 + 12 = -132. Voilà! Now, here’s a tip: when adding a negative number to a positive number, think of it as removing that amount from the negative. It's like taking away a bit of gloom. If you find yourself confused, visualize it on a number line to see the movement clearly.