Richard drove to the east at 2 kilometers, then 1 kilometer south, and 1 kilometer west to reach home.

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?