(PLEASE HELP)When a certain coin is flipped, the probability of obtaining a tails is 0.55. Which of the following is the probability that tails would be obtained exactly 10 times when the coin is flipped 20 times? A. 0.0473
B. 0.1171
C. 0.1593
D. 0.4086
E. 0.50

If chord ab is congruent to chord cd, then what must be true about ef and eg?

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? )

Determine which postulate or theorem can be used to prove that lmn =nmo