Evaluate $2\sqrt{28}-3\sqrt{50}+\sqrt{72}$

Evaluate ${{\left( {{64}^{\tfrac{1}{2}}}+{{125}^{\tfrac{1}{3}}} \right)}^{2}}$

Simplify: $\sqrt{108}+\sqrt{125}-\sqrt{75}$

Simplify $\sqrt{2}\left( \sqrt{6}+2\sqrt{2} \right)-2\sqrt{3}$

Simplify $\frac{5}{\sqrt{3}}-\frac{3}{\sqrt{2}}$ 

If $\frac{\sqrt{2}+\sqrt{3}}{\sqrt{3}}$is simplified as $m+n\sqrt{6}$, find the value of (m + n)

Simplify $\frac{20}{5\sqrt{28}-2\sqrt{63}}$

Simplify $3\sqrt{45}-12\sqrt{5}+16\sqrt{20}$ leaving your answer in surd form

Simplify $\tfrac{1}{2}\sqrt{32}-\sqrt{18}+\sqrt{2}$

Express the square root of 0.000144 in the standard form