A horse 64 feet from the center of a merry-go-round makes 27 revolutions. In order to travel the same distance, how many revolutions would a horse 16 feet from the center have to make?
GUYS, PLEASE HELP URGENTLY!! THNX!
BTW THE ANSWERS:6.75 and 1 1/5 are wrong! =)

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

For the inequality |c| < |d| to be true, which of the following must be true?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?