Video dvds (ignoring the hole in the middle) have an area of 36π cm^2 the formula to calculate the circumference, c, for a circle is c=2√aπ, where a is the area of the circle. what is the circumference of the disc?
12πcrr
18πcrr
24πcrr
30πcrr

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? )

Solve the equation. 2x - 8(x+1)= 6(2x - 3)

How many 2/5s are in 1 and 1/2 plz someone me right now