I am fairly certain it is C
Answer:
y-y1=m(x-x1)
Step-by-step explanation:
Hi!
The point where the three altitudes of a triangle intersect is called the orthocenter.
Altitudes are lines which pass through the the vertex of a triangle, and bisect the other side.
There are three other points like an orthocenter; an incenter, a circumcenter, and a centroid. They're where the angle bisectors, the perpendicular bisectors, and the medians of a circle intersect, respectively.
Hope this helped!
Answer:

Step-by-step explanation:
Formula of circumference is 
r = radius
plug in the numbers into formula to get
which will eqaul 
Answer:
a.48,000+2=48,002 b.30×2=60% +2=62%+48,0000=48,062