For a track meet, tara ran the 1,600 m event at constant speed in 5 minutes and 20 seconds. what was her speed?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

(x-5)1/2+5=2 what is possible solution of this equation

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.