Which equation can be used to find the unknown length, a, in this triangle? A right triangle has a side with length 15 meters and hypotenuse with length 17 meters. The other side is labeled a.

A. a squared + 15 squared = 17 squared

B.15 squared + 17 squared = a squared

C. a squared + 15 = 17 squared

D. a + 15 squared = 17 squared

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%