Andrea fue a la tienda y compro una torta si en la noche y se comio 2/13 De la torta , La parte de la torta que no se Comio esta dada por
A. 10/13
B. 12/15
C. 11/13
D. 9/15

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

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 following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab