Can someone please help me

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

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

Ill mark the brainliest if you me with the these three questions 7,8,9