Find the value of each variable.
I have been stuck on these for a week now. Please help.

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∣∣

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Write the following as a base and exponent