4. Which of the following statements about unit rates is NOT true? ) A unit rate relates a quantity to 1. ) Unit rates can be used to compare two rates. ) Any rate is equivalent to its unit rate. ) A unit rate always relates quantities with the same units.

To find the median order your numbers from least to greatest so

30 37 37 37 38 38 40 40 42 42 43 45

now just cross out the end numbers until you get the number in the middle which is 38 and 40.

what you'd do if there is 2 medians you add them together and divide by 2 so 40+38 equals 78 then divided by 2 is 39.

answer is 39