Betty plans to have two children but doesn't know if they will be boy-boy, girl-girl, girl-boy, or boy-girl. what is the probability that she will have two girls?

0.5

0.75

1.00

0.25

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.