Attempts: 553 / 3272 Questions: 216
Recent questions:
Sir Francis Galton devised what well-known statistical calculation? His famous cousin?
standard deviation charles darwin
It is done often, but only a small percentage of people have done it. Some have attempted and failed. A person cannot possibly do it twice. What?
commit suicide
Speaking of pumpkins, what is it called in Punkin' Chunkin' when the pumpkin explodes as it leaves the chunker?
What can a praying mantis do that no other insect can do?
stand on one leg
Parabola? The point? The line?
set of points equidistant from a fixed point and a line not through that point focus directrix