Please help I don’t know it

Is a positive integer raised to a negative power always positive

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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