Igot these two questions wrong on my end of lesson assessment, i don't know how i got the wrong answer, i thought i used the correct formulas and all, could anyone walk me through how to get the correct answers?

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∣∣

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Aline passes through 3,7 and 6,9 what equation represents the line