Answer:
The slope of the line is 1/2.
Step-by-step explanation:
2
x
−
4
y
=
10
(Subtract 2
x
from both sides.)
−
4
y
=
−
2
x
+
10
(Divide both sides by -4.)
y
=
−
2
x
−
4
+
10
−
4 (Simplify.)
y
=
1/2
x
−
5
/2
y=1/2
Answer: The correct answer will be C. (Since the last comment got deleted smh)
See "intersecting secants theorem" (you should be able to find a variant that specifically applies to arc measures). It says that for this circle,

62.5 miles per hour is the speed hope this helps