The square of any negative number is ?

Is positive. In fact, the square of any (real) number other than 0 is always positive.

The square of the positive number

Step-by-step explanation:

-2^2 = 4             2^2 = 4

-3^2 = 9             3^2 = 9

Why is this? Because a negative multiplied by a negative is a positive. And when you square a number you are multiplying the number by itself. So two negatives always equal a positive.

the answer is 15% decrease

-6 is the correct option from the above given options