Which is equivalent to (4xy – 32), and what type of special product is it?
16x? y? +922, the difference of squares
o
16x? y? +9z? , a perfect square trinomial
16x? y2-24 xyz +9z? , the difference of squares
16x+y2-24 xyz +92, a perfect square trinomial

What is the greatest common factor of 6a, 8a^{2}, and 14?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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? )