Simplify 6⁹ ÷ 6³ So I Need Alot OF help in online schol my teacher isnt really reactive with me too help

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a. f[g(3)] b. g[f(5)] c. g{f[g(-4)]}

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10