Answer:
Scale factor = 3
Step-by-step explanation:
A = (4,8) and A’ = (12,24)
4x = 12
X = 12/4
X = 3
y = negative 2 x + 9
1st x = 12
2nd x = 10
...................
25 square units
just count them and each triangle is 1/2 a unit
