Which expression is equivalent to the given expression? −(2n−6) a. −2(n−3) b. −2(n−6) c. 2n−6 d. 2n + 6

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Point q is located at (−4,6). point r is located at (8, 6). what is the distance from point q to point r?