All sides of a square are increasing at a rate of 4 centimeters per second. How fast is the area changing when each side is 10 centimeters? a.) fraction numerator d A over denominator d t end fraction equals 100 fraction numerator c m squared over denominator s e c end fraction b.) fraction numerator d A over denominator d t end fraction equals 80 fraction numerator c m squared over denominator s e c end fraction c.) fraction numerator d A over denominator d t end fraction equals 400 fraction numerator c m squared over denominator s e c end fraction d.) fraction numerator d A over denominator d t end fraction equals 20 fraction numerator c m squared over denominator s e c end fraction