this is the title of the blogpost for sure

this is a new and improved

$\begin{align} x &= \frac{1.2e^{-4x/3}}{x-2} \\ y &= x-2 \end{align}$

this is a new and improved

$\begin{equation} \begin{split} A & = \frac{\pi r^2}{2} \\ & = \frac{1}{2} \pi r^2 \end{split} \end{equation}$

this is a new and improved

$\begin{align*} x&=y & w &=z & a&=b+c\\ 2x&=-y & 3w&=\frac{1}{2}z & a&=b\\ -4 + 5x&=2+y & w+2&=-1+w & ab&=cb \end{align*}$