Answer:
it is the second one
Step-by-step explanation:
AB+BC+AC=180°
8 - 7 + 2x +3x -8= 180°
-7+5x=180°
x=180°+7/5
x=37.4°
again
BC=-7+2*37.4
=67.8°
2
I found this be adding 4 and 6, witch is 2.
22
The y values increase by 2 every time so 18+2=22
d 8
