What were the dimensions of the original photo?

O

11 inches by 11 inches

5 inches by 5 inches

3 + 4/2 inches by 3 + 4/2 inches

O

3 - 4/2 inches by 3 - 4/2 inches

11 inches by 11 inches

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.  

Please have a look at the attached photo.  

My

Given the information:

Let us solve for x by taking positive square root of both sides.\

<=> x = 11

So the dimensions of the original photo is 11  inches by 11 inches

We choose A

Hope it will find you well.

8(-10x+3.5y-7)

8×-10x + 8×3.5y + 8×-7

-80x + 28y - 56

therefore

-80x+28y-56 is the correct answer