Answer:
Step-by-step explanation:
By intersecting chords theorem:

Your answer would be -9 & -42.
Here's why ...
(-9)*(-42) A negative times a negative equals a positive (378).
Now, -9-42=-51 & you add these because you have two negatives.
Hope this makes sense & helps you ! (:
Answer:
3.14 or π (It's the same thing)
Step-by-step explanation:
If you divide the circumference by its diameter, the constant ratio is called Pi
Answer:
y is undefined
Step-by-step explanation:
if you have a vertical line, it will always be undefined