What is the missing fraction in the pattern?

2 5/12, 2 1/6, 1 11/12, , 1 5/12

Also please explain how you got that answer

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Which of the following is the result of expanding the series

Factor the expression using the gcf. the expression 21m−49n factored using the gcf