What is the value of 9^-6/9^-4?

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

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%

Write the equation of the circle centered at (10,-2) with radius 2.