I need help plz I do not really understand this if you can help me I’d highly appreciate

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∣∣

Will give brainliest summations with algebraic expressions image shown

Which of the following statement about pascal's triangle are true?