A camera is placed on a table to film a church. The angle of elevation from the camera to the top of flagpole on the church tower is 50

. Using the measurements shown, what is the horizontal distance

from the flagpole to the camera?

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample