Answer:
x=63
Step-by-step explanation:
The two interior angles add up the the exterior angle, so 51+x+12=2x. From there, solve to get x=63. Hope this helped!
Answer:
The equation will be "
".
Step-by-step explanation:
Given:
Points (12, 9) = (x, y)
⇒ 
then,

or,
⇒ 
then,

⇒ 

By using the point slope form.
The equation of tangent will be:
⇒ 



Answer:
3/1 or 3
Step-by-step explanation:
It rises up three and to the side one