A rectangular tank of length 22cm, width 9cm and height 16cm is filled with water. The water is poured into a cylindrical container of radius 6cm calculate the depth of water in the cylindrical container. What is the answer ?

Suppose a ball is dropped fromca height of 6ft. it bounces back up but time it bounces, it reaches only 7/10 of its pervious height. what is the total of each height that the ball reaches after 5 bounces

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Math it's appreciated. (picture provided)