Answer:
Option A. is the right choice.
Step-by-step explanation:

Best Regards!
Two lines that intersect at 90 degrees are considered perpendicular to each other.
The answer would defintley be 69 if you want the right answer.
Answer:
x < 
Step-by-step explanation:
Given
- ax + 4b > 9 ( isolate the term in x by subtracting 4b from both sides )
- ax > 9 - 4b ( divide both sides by - a )
Remembering to reverse the inequality symbol when dividing by a negative quantity, thus
x < 