10 points asp i need to do a lot of work and i'm behind

also only answer the once you know

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

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

How do newtons third law of motion demonstrates on a rollar coster