1. the radius of a right cylinders changing at a rate of 5 cm/sec. Find
the rate of change of its volume
the radius ir 10 cm and it altitude is 12cm

Agame in which two or four players strike a ball with rackets over a net stretched across a court. the usual form (originally called  lawn tennis  ) is played with a felt-covered hollow rubber ball on a grass, clay, or artificial surface.

China. people who live in china speak chinese, so if the princess goes to china, should probably have to speak chinese in order to communicate with the people.