Sarah's arm if 20 inches long. if sarah swings her arm in a circle, what will the diameter of the circle be?

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

Two cyclists 84 miles apart start riding toward each other at the samen time. one cycles 2 times as fast as the other. if they meet 4 hours later what is the speed (in miles) of the faster cyclists

Alogical argument that is presented in graphical form using boxes and arrows is called?