13. A goat is placed in a circular pen with a radius of 15 feet. The formula for the area of a circle is A = πr2, where r is the radius. If π = 3.14, on how many square feet of grass can the goat graze in the pen?

Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!