Help me please Melissa can work 9 math problems in 6 minutes. At this rate, how many math problems can she work in 3 hours

Multiply sixth of sixty six by a half of ten show step by step method

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 the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know.