Which shows the following expression after the negative exponents have been eliminated? xy^-6/x^-4y^2, x=/ 0, y=/ 0. a. x^4/y^2x^6y^6 b. xx^4/y^2y^6 c. x^4/y^2xy^6 d. x^4y^2/xy^6

Opposite angles in a parrellelogram are

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric

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.