Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 s? 100+20100+20 100−20100−20 1002010020 100⋅20

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9