A total of $10,000 is deposited into two simple interest accounts. On one account the annual rate is 8%; on the second account the annual rate is 12%. How much should be invested in each account so that the total annual interest rate earned is 10%? Set up the equation required to solve.

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%