Answer:
47.53
Step-by-step explanation:
First you add all of the numbers together.
66.9+5.6+70.1=142.6
Then you divide the sum of numbers by how many number there are.
142.6/3=47.53
Substitute x = g(x) into f(x) , that is
f(g(x))
= f(8x - 13)
=
C) (y - 12)^2 = 12(x+9)
270
you will times 6 by 45