When a rock is dropped on Earth, the time in seconds it takes the rock to fall d meters is modeled by 0.45d⎯⎯√ . When a rock is dropped on the moon, the time in seconds it takes the rock to fall d meters is modeled by 1.11d⎯⎯√ . Does it take more time on Earth or on the moon for a rock to fall 50 meters? Show your work.

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

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%

Find the distance between (0,5) & (-4,2)