Plz simplify:
subtract
8x - 8y +9

5x - 8y -z

a.)3x + z + 9

b.)3x - 16y - z + 9

c.)3x -z + 9 it says that this was not the wright

i hoped that : )

What is the celsius temperature that is equal to 94 degrees fahrenheit using the formula f=9/5 c+32

For how answer my question this will be the last question can you answer in math subject

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? )