Marlene rides her bicycle to her friend jon's house and returns home by the same route. marlene ride her bike at constant speeds of 9 mph on level ground, 6 mph going uphill and 18 going downhill. if her total riding time was 2 hrs, how far is it to jon's house.

In trapezoid bath, ah=19.7 and et=16.1. identify be.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?