Simplify the following $[e.g.ln(xy)=ln(x)+ln(y)]$

$(i),ln(2^2{x}^2{y}^3)$

$(iii),ln(\frac{9x+16y}{e^1{x}^2})$

$(ii),ln(\frac{8x^3}{y})$

$(iv),ln(\frac{5x(x-1)}{(x+1{)}^2})$