Line ab is parallel to line cd. line ac and line bd are perpendicular to line ab and line cd. what is the relationship between ac and bd?

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Find the distance from the theater to the library. leave your answer in simplest radical form if necessary. 12 √12 74 √74

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?