The measure of PQR is 75°. The length of radius QR is 4 inches. What is the approximate area of sector PQR? Use 3.14 for a A 20.94 in?
B. 5.24 in
C. 2.62 in?
D
10.47 in?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.

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? )