Acubic centimeter is the space taken by a square whose sides are 1 centimeters long true or false

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

What ratio is proportional to 18/21