The answer is A. It is Distributive Property I believe
We will say the smaller number is X and the larger number is Y
The first sentence states y=x+3 and the second sentence states 4y=6x-13
You can use substitution in this to plug in y=x+3 into 4y=6x-13 to get
4(x+3)=6x-13 now move -13 to the other side to get 4x+16=6x then move 4x to the other side to get 16=2x giving you X
X=8
Now plug in X into the equation y=x+3
y=(8)+3 giving you Y
Y=11
Now plug in both X and Y to check
4(11)=6(8)-13
44=35
Remember that the sum of tow cubes identity is:

So, to create our expression<span>, containing at least two variables, that can be factored using the sum of two cubes, we just need to replace </span>

and

with tow monomials with a different variable:

and

Lets replace those values in our identity:

Now that we have our expression, lets factor it using the sum of two cubes identity:

To verify if the factored form of our expression (right hand side) is equivalent to the original form (left hand side), we are going to expand the right hand side:




Since both sides of the equation are equal, we can conduce that the factored form of our expression is equivalent to the original expression.
An ordered set of mathematical objects is called a pattern.