If you walk forward 5 feet and then walk backward 5 feet, you will end up exactly where you started. for each of the actions below, describe an action what will get you back where you started

Don't know how to find x given these segment lengths

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright

Which number line correctly shows 0.8 + 0.3?