$\frac{18.05}{19}$

$\int\left(x\cdot\sqrt[5]{x^2-9}\right)dx$

$\frac{\left(1-\frac{1}{3}\right)x\left(\frac{2}{3}+\frac{5}{6}\right)}{\frac{2}{3}-\frac{4}{b}\:x\:\frac{1}{2}}$

$\sqrt{9-3sinx}$

$\left(a^3-b^4z^2\right)^3$

$\left(x+6\right)^2\:+\:\left(y-8\right)^2\:=\:36$

$\left(t^{-5}\right)^{-12}$