A group of 7 students was asked, "How many hours did you watch television last week?" Here are their responses. 6,7,9, 7, 13, 6, 11 Find the mean number of hours for these students. If necessary, round your answer to the nearest tenth.

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120