True or false, there is no solution to the systems of inequalities shown below. y< -x5+7 y> -5x+1

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1

We just started the introduction into circles and i have no idea how to do this.