Find the circumference of a circle with diameter 3 yd. use the value 3.14 for pie and do not round round the answer I’m looking for area and circumference

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks