a rope 25 feet long is cut into 3 pieces. the first piece is 2x feet long, the second piece is 5x feet long, and the third piece is 4 feet long.
a.) write and solve an equation to find x
b.) find lengths of the first and second pieces.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Pls! does anybody know a shortcut for answering these types of questions in the future?

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%