Answer:
F (4, 2) G (2, 2) H (0, -4)
Step-by-step explanation:
I got 20.
I may have done it wrong so maybe wait until others have answered.
y = 3x - 2
See Image for all the rest of the equation forms
3(K-6)=2K-4
3k-18=2k-4
3k=2k+14
K=14
Kylie is 14 years old