Polynomial or not.
1.) x²+4x-5
2.) -4x
3.) x²-3x
4.) ⁵/x²+x
5.) -5x-¹⁰⁰+3x¹⁰⁰

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

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

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle