Answer:
D it is d my guy you have fun with that
Answer:

Step-by-step explanation:
1. Distribute the X across the equation: 
2.
3.
3.
You can solve by using Pythagoras theorem.
Let the longest side be c.
a^2 + b^2 = c^2
If this holds, it is a right angle.
But, 3.5^2 + 4.5^2 is not equal to 5.5^2.
I can’t help if there isn’t a picture
(-2,0) and (0,4) because these are the points where the two lines meet :)