Help please I don’t understand this please help me with the answer

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !