1/5 of 45 is what number?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

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%

Fast! find the length of cu. the triangles are similar. show your work.