The equation of a line that passes through

and has a slope of m is

so given the point (3,1) and slope -2
(3,1), (x1,y1)
x1=3
y1=1
m=-2
the equation is
Answer:
Sure.
Step-by-step explanation:
It was nice helping you!
Answer:
A, B are correct
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
interior angles = 180
180-72