Checking for each option
Option A:

Substitute w = 10 and check if we'd get 900 as the answer

Option B:

Substitute w = 10 and check if we'd get 900 as the answer

Option C:

Substitute w = 10 and check if we'd get 900 as the answer

Option D:

Substitue w = 10 and check if we'd get 900 as the answer

Answer: Option B
Answer:
A function is going to be a line graphed on a coordinate plane. It has 1 or more variables. A function can be a straight line, a parabola, etc. however a function cannot have a repeating x-value.
Simplify the left side.
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3−9x=2(−4x+7)
Simplify the right side.
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3−9x=−8x+14
Move all terms containing x
to the left side of the equation.
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3−x=14
Move all terms not containing x
to the right side of the equation.
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−x=11
Multiply each term in x=−11
by −1
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x=−11
Hope this helps!
I apologize if i’m wrong but i’m pretty sure it’s B. 300 square inches