The circumference of a coin in 7.05 cm. what is the diameter, radius, and area? us 3.14 for pi. type a whole number, or round to the nearest hundredth place.

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