(x-3)^2/9+(y-6)^2/16=1 find the distance from the center to the foci

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle