$x+1>3x+5$

$\lim_{h\to0}\left(\frac{\cos\left(\frac{\pi}{6}+h\right)-cos\left(\frac{\pi}{6}\right)}{h}\right)$

$\frac{d}{dx}\left(\frac{x^3\:+\:4}{4x-5}\right)$

$\left(\frac{5j}{6}+5k\right)\left(\frac{5j}{6}+5k\right)$

$-3\cdot5\:\frac{1}{3}-12$

$4+5\cdot4-14.2$

$-6\left(-5x\:+\:10y\right)\:+\:3\left(-7x\:+\:15y\right)$