What is the radius and circumference and area

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%

Indicate the formula for the following conditions: p^c(n,r)=

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6