the men of the tribe dressed and masked to represent the Kachinas in a traditional ceremony.Even though there are male and female Kachinas, only men can represent them.
a masked doll which represents a kachina spirit. They are presented to the women and children of the tribe.
... quadratic formula expresses the explicit solution(s) x to the quadratic equation
<math>ax^2+bx+c=0</math>
in terms of the coefficients a, b and c, ...