The slope-point formula of a line:

We have:

Substitute:

Answer:
option D
Step-by-step explanation:
take 39 degree as reference angle
using cos rule
cos 39 = adjacent / hypotenuse
0.77 = x / 7
x = 7*0.77
x = 5.39
x = 5.4
Answer:
slope would be zero
Step-by-step explanation:
It is not moving on the graph
Hope this helps!
:) Well, I dunno about anyone else but this question makes my head spin!
It looks correct to me :)