$\frac{dy}{dt}=\frac{\left(4t+ty^2\right)}{\left(9+t^2\right)}$

$\sqrt{a}+\sqrt{3b}$

$8a^3-27y^3$

$\lim_{x\to\infty}\left(e^{-x}cos\left(x^9\right)+\frac{sin\left(x\right)}{x^2}\right)$

$49+14\left(m+2\right)+\left(m+2\right)$

$3\cos\left(55\right)-1=0$

$2x-y-3>-y-2x+17$