14 ! a hollow ball is made of rubber that is 1 centimeter thick. the ball has a radius of 5 centimeters at the outside surface. what is the approximate volume of rubber used to make the ball? use 3.14 for pi.

The graph shows the decibel measure for sounds depending on how many times as intense they are as the threshold of sound. noise in a quiet room is 500 times as intense as the threshold of sound. what is the decibel measurement for the quiet room? 20 decibels28 decibels200 decibels280 decibels

How would you find the height of points on the circle? the topic is trigonometry.

Drag statements and reasons to each row to show why the slope of the line between d and e is the same as the slope between e and f, given that triangles a and b are similar.