Plz help me i can't figure it out

If f(x) = 3-2x and g(x) =1/x+5 to what is the value (f/g)(8)

What is the solution of the equation? 35√(x+2)3+3=27

Fill in the missing exponents in each box and show how you found the answer. (4 points: 2 points for each correct answer with work shown) c. (9^4)^? =9^1 d.(5^? )^3=5^1 *question marks represent the boxes