$\int ye^{0.2y}\:dy$

$\frac{5}{3}x+\frac{4}{9}x$

$5x^3y^2z-2y^4z^6$

$\lim_{x\to\infty}\left(\frac{ln\left(9x+4\right)}{ln\left(3x+8\right)+6}\right)$

$-3x\ge-18$

$\lim_{x\to0}\left(\frac{\log\left(1+\sin\left(4x\right)\right)}{\tan\left(x\right)}\right)$

$\int\frac{n^3}{\sqrt[3]{8+n^2}}dn$