3 = AIA ( Alternate Interior Angles)
4 = Definition of AIA
Answer:
C
Step-by-step explanation:
The length of the segment is 7
2-7/2 = -3/2
(1,-3/2)
Okay so i cant figure out the first one, but the second one looks like -7:3
Firstly, subtract a^2 on both sides: 
Next, we are going to be using the difference of squares, which is
. Use this on the right side of the equation: 
Lastly, square root both sides of the equation, and <u>your answer will be
</u>