Multiply or divide as indicated. Simplify your answer, if possible x^-8/ x^5

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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.

Convert 3,200,000 to a scientific notation.