Answer:
3(3a+4)
Step-by-step explanation:
3(3a+4)
use distributive property
9a+12
What is the question? no question has been asked. need more info to solve.
Answer:
Area of gray region = 
Step-by-step explanation:
The area covered by the furniture can be subtracted from the total area of the room to calculate the area of the gray region.
<em>Total</em> area of the room: 
Area taken up by furniture: 
Area of gray region = total area of the room - area taken up by furniture
Area of gray region = 
Remember to distribute the negative sign:
Area of gray region = 
Combine like terms:
Area of gray region = 
This is easily (A) Positive Association