There are 30 students in a classroom Out of the 30 15 are fe

There are 30 students in a classroom. Out of the 30, 15 are female students, 12 are math majors, 12 are seniors, 5 are seniors majoring in math, 4 of the females are seniors, 6 of the females major in math, and 2 of the female students are seniors majoring in math.

(a) What percent of the students are female and non-math major?

(b) What percent of students are male seniors and non-math majors?