Here are three numbers:

5 , 7 , 9

Show that the mean of these three numbers is 7.

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

What does the relationship between the mean and median reveal about the shape of the data

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.