4y + 7 - y + 2 Generate an equivalent expression

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

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.

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?