Maths
If 2x + 3 = 9, what is x?
3
What is the formula for accelerated motion? a=
What is the name of HCOOH?
methanoic acid (formic acid)
What is the biggest gland in the human body?
Liver
Othello was written by...
William Shakespeare
The content of the circle...
S=pi*r*r
The speed of the light is...
299 792 458 m/s