Lex needs 80 \text{ cm}80 cm80, start text, space, c, m, end text of thread for a sewing project. The thread is on a spool with a circumference of 10 \text{ cm}10 cm10, start text, space, c, m, end text. How many times must Alex unwind the spool to get the length of thread he needs?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

What is the ratio of the length of an object in yards to the length of the same object in miles?

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? )