Find the radius of a circle if the area of the circle is 201.1 in^2

Which of these devices is most clearly shown here?

Jackson is a very smart little boy he can count to twenty and is only two years old. complete, run on sentence or comma splice

When the telephone rings incessantly, what is it that the men want to have happen? they want the phone to be answered because it is jangling their nerves. they want mr. frank to go to the office and answer it because they are afraid it might be bad news. they want mr. frank to go to the office because they think it might be miep. they want mr frank to ignore the phone.