Awave is traveling through X. What can be known about X?
It is empty space.
It is any medium.
It is a solid
It is a liquid.

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.

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Could someone . i have tried to solve myself but my calculation is off