<span>Credit card balance is the amount of money you owe to the credit card company and it's dependent of your purchases, unpaid balnces and any other fees. If you owe money this balance is positive number. If you paid more money than you owe the balance is negative number and zero if the balance is fully paid.</span>
Not A because regular means all sides are equal. B has to be the answer because the others are not. Not C because a right triangle is not regular, i.e. and equilateral triangle. Not D because a rectangle has different side lengths.
