What’s 7/3 simplified into a smaller fraction

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

What is the binomial expansion of (2x-3)^5

1. are the corresponding angles congruent 2. find the ratios of the corresponding sides 3. is triangle jkl congruent to triangle rst? if so what is the scale factor