
First we'll multiply the second equation by -2

Now let's add the new equation and the first one.

We found y's value. We'll plug it in one of the equations to find x's value.

Solution ;
(9, -6)
Answer is B because brick starts with a B
Answer:
The answer is: 3 feet.
Step-by-step explanation:
The area is found by multiplying the width times the length. For a square, the length = the width.
Multiply 3 * 3 to get 9. So each side is 3 feet.