the following figures show the first two steps of proof of the pythagorean theorem. which of the following statements is false?

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Factor this polynomial completely x^2-64

Can someone me out here number 4 plz