A rescue helicopter, flying at a height of 150 feet above the water, approaches an overturned boat and a swimmer. From the helicopter's point of view, the angle of
depression to the swimmer is 30 degrees and the angle of depression of the boat is
25 degrees. How far is the swimmer from the boat?

True or false? many triangular shapes can be circumscribed about a given circle

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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? )