What is the volume of this sphere in terms of pi?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220