If the perimeter of a squad is 20, find the length of a diagonal.

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∣∣

Guys i really need or i have to stay late up night

For each proportion find the unknown number x 1/5/8=×/15