Answer:
Thanks you very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very very much for points
Answer:
y=3x-15
Step-by-step explanation:
Given the equation of a circle in the form
You have that 
is the center, and 
is the radius.
So, in your case, the center is 
and the radius is 5.
Answer:
add all the angles
Step-by-step explanation:
140+82+78
