0.64,-3.14 I’m not really sure about the -3.14. (Sorry).
65°
It's opposite on a 180° line.
The equation would be 30+3m=162 then you solve the problem
Answer:
With all the lines, I may be wrong. But I'm confident that line B has a slope of 2.
This is because it rises up 2 up the y axis for every one unit on the x axis.