Answer:C and D
Step-by-step explanation: Hope this helps
I am sorry I can help more but
Google can graph lines if that helps
You just look up graph of a line with your numbers
The answer is 1/2 due to the slope
Answer: 6
SOLUTION
∵segment
is tangent to the circle at point C.
∴∠MCA=∠MCB=90°
Suppose 
From the Pythagorean theorem
MA²=9²+
²
MB²=4²+
²
∴MA²+MB²=AB²
i.e. 
We conclude that 