$\lim_{x\to0}\left(\ln\left(\frac{3}{x}\right)\right)$

$24\sqrt{x^2}-y^2+4$

$20x^2-7x-40$

$94x^2+12x-16$

$\lim_{x\to0}\left(\frac{1-\cos^3\left(x\right)}{\sin^3x}\right)$

$-4-\left(-6-1\right)$

$\frac{\left(3y^3\right)\left(2y^2\right)^2}{\left(y^4\right)^3}\cdot5\left(y^3\right)^0$