What would it be help!

Find the length of cu, the triangles are similar.

Which of the following equations is equivalent to x/3-6/x=1

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