Math Quiz Examples

Solve this equation:
$${1 \over 2}x^2 - 3x + 4 = 0$$ Answer

Simplify the following fractions and then
type the number that is the answer:
$${{2^3 \over 4^2} \over ({3 \over 4} - {2 \over 3})} = ?$$ Answer

What Greek mathematician invented geometry?
Answer