Because supplementary angles means mA + mB = 180.
Then subtract 80 from 180 which will get you 100.
So B = 100
Answer:

Step-by-step explanation:
General Equation of circle is
----------- (1)
Here

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)




Substituting values in equation (1)


Get Y by itself so it' should look like this
5y=2x+7 after then you have divide 5 onto the right side and it should look like
Y=2/5x+7/5
I need more info to answer this question
Answer:
c = 53 miles
Step-by-step explanation: