57/100 as a percent need answer asap

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%

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

How do i put 3(x+7) in distributive property