Bill and Mofor each improved their yards by planting hostas and ivy. They bought their supplies from the same store. Bill spent $39 on 3 hostas and 2 pots of ivy. Mofor spent $69 on 6 hostas and 1 pot of ivy. Find the cost of one hosta and the cost of one pot of ivy.

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%