Avolcanic plug shaped like a cone has a diameter of 25 km and a height of 3.9 km.
what is the volume of the plug?
round your final answer to one decimal place and use 3.14 to approximate pi.

What is the value of the expression below? (81^2)^1/8

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

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.