Answer:
C.
Step-by-step explanation:
X=1
x=2
x=3
2(1)-y=4
2-y=4
-2 both sides
-y=2
÷-1 both sides
y=-2
(1,-2)
2(2)-y=4
4-y=4
-4 both sides
-y=0
y=0
(2,0)
2(3)-y=4
6-y=4
-6 both sides
-y=-2
÷-1 both sides
y=2
(3,2)
AB=√(2-2)^2+(3-0)^2=3
BC=√[2-(-1)]^2+(0-0)^2=3
So AB=BC
One half of 16 equals 8. Hope I helped!
38.9 rounded to the nearest tenth is 38.9.