Which expression can be used to find the volume of the cylinder in this composite figure? (Remember: The formula to find the volume of a cylinder is V = pi r squared h.)

A cylinder and cone. Both have a radius of 4 centimeters. The cone has a height of 6 centimeters and the cylinder has a height of 12 centimeters.
pi (4) squared (!2)
pi (12) squared (4)
Pi (4) squared (6)
Pi (8) squared (12)

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? )