Todd is finding what percent of 80 is 28. Find his mistake and correct it.

Solve the equation by completing the square. x^2+2x=17

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid