32. The absolute value of a number x (|x|) will always be positive. It just means how far the number is from 0 on the number line.
Each person should ride the bike for 4 miles, so that every one has to walk 8 miles and ride 4 miles.
If they had 2 bikes, each person will ride for 8 miles, 4 miles on each bike, and then walk 4 miles.
You can can copy a line segment by making sure the line is straight
Move the dot twice to the right