If the diagonal of a television screen is 20 inches and the width is 16 inches, what is the height of the screen?

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%

Give me the equations of two lines that have the same slope but are not parallel.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).