Answer:

Step-by-step explanation:
<u>Step 1: Expand the equation
</u>


<em>Foil</em>


<em>Combine</em>

Answer: 
3.5 feet converted to inches is 42 inches. 42"-14"=28"
28" divided by 2 sides is 28/2 = 14" on either side if the poster remaining
Answer:
what's this I can't understand what you are trying to say who you are trying to ask
Here are the areas of the 3 separate shapes:
1. 27.5 m^2
2. 25.5 m^2
3. 27.5 m^2
As you can see, the 1st and 3rd shapes share the same total area, so those are the shapes you should select.
Answer:
16.8
Step-by-step explanation:
equation: x - 3.9 = 12.9
add 3.9 to 12.9
answer is 16.8