How to solve 2x²-8x-90=0

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

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.