What does 3x - 2x2 - 5x + 4x2 simplify

Which of the following could be the graph of the equation y = -2x + 5

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?

Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130