Answer: B
Step-by-step explanation: 6^2 = 36
36*4= 144
144-7= 137
Answer:
810
Step-by-step explanation:

That would be the area of a circle of radius 12 miles
= pi r^2 = 452.4 square miles to nearest tenth.
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 = 