You are designing a spherical tank to hold water for a small village in a developing country. The volume of liquid it can hold can be computed as V = πh2[3R − h]3 where V = volume (m3), h = depth of water in tank (m), and R = the tank radius (m).

Because if a good speech is delivered badly it can bore the audience, confuse them, or make them distrust the speakeri think they all come back to this one, except that last answer because that is false. if your audience starts making fun of you or gets distracted it is because they are either bored, confused or distrust you.