Edmundo wrote the expression 42 -5.23. What is the value of this expression?

Trigonometry hellllllpppppppp asap

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∣∣

Need on this one asap im almost done with this subject