How many longboards should be ordered? Complete the statement.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

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

I’m still confused on how to work the percentages