You have a pan with a radius of 16 centimeters. if the cooking instructions say to cover the entire bottom of the pan with butter, how many square centimeters must the butter cover?

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?