Is -115.5 irrational or rational

Type the correct answer in the box. function f, shown below, is translated down 3 units and left 4 units to create function g. f(x)= 3|x-2|-5 fill in the values of a, h, and k to write function g

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

∆red ≅ ∆ by rule will give brainiest if possible