(-1/3 + 1/9) x 4^(2) +5/18

i need help 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∣∣

1. are the triangles similar and if so why? what is the value of x? show your work.

Is it true or false i’m trying to pass this test so i can leave school