What is the median for this list of numbers? 3, 6, 9, 10, 12

What situation is an example of an observational study

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

Indicate the formula for the following conditions: p^c(n,r)=