Answer:
You plug in the values of x's and then minus 1 and you get your y
Step-by-step explanation:
Each interior angle=140°
(n-2)180°/n=140°
180°n-360°/n=140°
180°n-360°=140°n
180°-140°=360°
40°n=360°
n=360°/40°
n=9
Hence, the number of sides of the polygon is 9.
It is nonagon .
Answer:
The one on the top left
Step-by-step explanation:
Slope of one third and y intercept -4