Ellen thinks that if a line has no slope, then it never touches the y-axis. which line proves that her statement is incorrect?
x = 0
y = 0
x = 1
y = 1

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.