Devin is asked to write out how to find the circumference of a circle. he writes: "first measure the radius, then multiply that by 2, then multiply that answer by π, and that will give you the circumference." which statement is another correct response? a) first measure the radius then multiply that by π to find the circumference. b) first measure the diameter then multiply that by π to find the circumference. c) first measure the radius, then divide that by 2, then multiply that answer by π to find the circumference. d) first measure the diameter, then divide that by 2, then multiply that answer by π to find the circumference.

Questions 9-10. use the table of educational expenditures to answer the questions. k-12 education expenditures population indiana $9.97 billion 6.6 million illinois $28.54 billion 12.9 million kentucky $6.58 billion 4.4 million michigan $16.85 billion 9.9 million ohio $20.23 billion 11.6million 9. if the amount of k-12 education expenses in indiana were proportional to those in ohio, what would have been the expected value of k-12 expenditures in indiana? (give the answer in billions rounded to the nearest hundredth) 10. use the value of k-12 education expenditures in michigan as a proportion of the population in michigan to estimate what the value of k-12 education expenses would be in illinois. a) find the expected value of k-12 expenditures in illinois if illinois were proportional to michigan. (give the answer in billions rounded to the nearest hundredth) b) how does this compare to the actual value for k-12 expenditures in illinois? (lower, higher, same? )