Use an equivalent fraction to find the sum of 4/10 + 28/100

Find the axis of symmerty for x y=x squared -4x-8

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.

What’s the answer? and how do i solve it ?