In a position vs. time graph, which of the following relationships is true? O The steeper the line the slower the velocity O There is no relationship between the steepness of the line and the velocity. ○The flatter the line the faster the velocity. O The steeper the line the faster the velocity.​

What happens to light waves from a star as the star moves away from earth?

Need in all of themmm only answer if you know plsssss

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.